Move E2E icons out of feather dir

They appear to all be created by Nad, according to
https://github.com/matrix-org/matrix-react-sdk/pull/2557.

res/css/views/dialogs/keybackup/_KeyBackupFailedDialog.scss

@@ -24,7 +24,7 @@ limitations under the License.
     padding-bottom: 10px;
 
     &:before {
-        mask: url("$(res)/img/e2e/lock-warning.svg");
+        mask: url("$(res)/img/e2e/lock-warning-filled.svg");
         mask-repeat: no-repeat;
         background-color: $primary-fg-color;
         content: "";

res/css/views/rooms/_E2EIcon.scss

@@ -23,11 +23,11 @@ limitations under the License.
 }
 
 .mx_E2EIcon_verified {
-    mask-image: url('$(res)/img/feather-icons/e2e/lock-verified.svg');
+    mask-image: url('$(res)/img/e2e/lock-verified.svg');
     background-color: $accent-color;
 }
 
 .mx_E2EIcon_warning {
-    mask-image: url('$(res)/img/feather-icons/e2e/lock-warning.svg');
+    mask-image: url('$(res)/img/e2e/lock-warning.svg');
     background-color: $warning-color;
 }

res/css/views/rooms/_EventTile.scss

@@ -296,12 +296,12 @@ limitations under the License.
 }
 
 .mx_EventTile_e2eIcon_undecryptable, .mx_EventTile_e2eIcon_unverified {
-    mask-image: url('$(res)/img/feather-icons/e2e/warning.svg');
+    mask-image: url('$(res)/img/e2e/warning.svg');
     background-color: $warning-color;
 }
 
 .mx_EventTile_e2eIcon_unencrypted {
-    mask-image: url('$(res)/img/feather-icons/e2e/warning.svg');
+    mask-image: url('$(res)/img/e2e/warning.svg');
     background-color: $composer-e2e-icon-color;
 }
 

res/css/views/rooms/_MemberDeviceInfo.scss

@@ -27,15 +27,15 @@ limitations under the License.
     mask-repeat: no-repeat;
 }
 .mx_MemberDeviceInfo_icon_blacklisted {
-    mask-image: url('$(res)/img/feather-icons/e2e/blacklisted.svg');
+    mask-image: url('$(res)/img/e2e/blacklisted.svg');
     background-color: $warning-color;
 }
 .mx_MemberDeviceInfo_icon_verified {
-    mask-image: url('$(res)/img/feather-icons/e2e/verified.svg');
+    mask-image: url('$(res)/img/e2e/verified.svg');
     background-color: $accent-color;
 }
 .mx_MemberDeviceInfo_icon_unverified {
-    mask-image: url('$(res)/img/feather-icons/e2e/warning.svg');
+    mask-image: url('$(res)/img/e2e/warning.svg');
     background-color: $warning-color;
 }
 

res/img/e2e/lock-warning-filled.svg

@@ -0,0 +1 @@
+<svg height="42" width="37" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><mask id="a" fill="#fff"><path d="m23.521 14.596h-1.777a.454.454 0 0 1 -.456-.45v-4.14a8.974 8.974 0 0 0 -8.57-9 8.884 8.884 0 0 0 -9.253 8.82v4.365a.454.454 0 0 1 -.456.45h-1.78a1.218 1.218 0 0 0 -1.229 1.215v15.93a1.218 1.218 0 0 0 1.229 1.214h22.247a1.218 1.218 0 0 0 1.231-1.215v-15.974a1.153 1.153 0 0 0 -1.186-1.215zm-17.276-4.77a6.114 6.114 0 0 1 6.473-6.075 6.251 6.251 0 0 1 5.88 6.255v4.185a.454.454 0 0 1 -.456.45h-11.486a.454.454 0 0 1 -.456-.45v-4.365zm20.255 11.174c6.344.019 11.481 5.156 11.5 11.5 0 6.351-5.149 11.5-11.5 11.5s-11.5-5.149-11.5-11.5 5.149-11.5 11.5-11.5z" fill="#fff" fill-rule="evenodd"/></mask><g fill="#000" fill-rule="evenodd"><path d="m-.909 32.909h19.773c2.392-6.604 4.34-10.526 5.844-11.766s1.808-8.258.912-21.052h-26.529z" mask="url(#a)" transform="translate(0 -1)"/><path d="m26.5 21c-5.799 0-10.5 4.701-10.5 10.5s4.701 10.5 10.5 10.5 10.5-4.701 10.5-10.5c-.017-5.792-4.708-10.483-10.5-10.5zm1.444 16.012h-2.888v-2.493h3.019v2.494zm.131-9.712-.787 5.775h-1.575l-.788-5.775v-1.312h3.15z" fill-rule="nonzero"/></g></svg>

res/img/e2e/lock-warning.svg

@@ -1 +1,9 @@
-<svg height="42" width="37" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><mask id="a" fill="#fff"><path d="m23.521 14.596h-1.777a.454.454 0 0 1 -.456-.45v-4.14a8.974 8.974 0 0 0 -8.57-9 8.884 8.884 0 0 0 -9.253 8.82v4.365a.454.454 0 0 1 -.456.45h-1.78a1.218 1.218 0 0 0 -1.229 1.215v15.93a1.218 1.218 0 0 0 1.229 1.214h22.247a1.218 1.218 0 0 0 1.231-1.215v-15.974a1.153 1.153 0 0 0 -1.186-1.215zm-17.276-4.77a6.114 6.114 0 0 1 6.473-6.075 6.251 6.251 0 0 1 5.88 6.255v4.185a.454.454 0 0 1 -.456.45h-11.486a.454.454 0 0 1 -.456-.45v-4.365zm20.255 11.174c6.344.019 11.481 5.156 11.5 11.5 0 6.351-5.149 11.5-11.5 11.5s-11.5-5.149-11.5-11.5 5.149-11.5 11.5-11.5z" fill="#fff" fill-rule="evenodd"/></mask><g fill="#000" fill-rule="evenodd"><path d="m-.909 32.909h19.773c2.392-6.604 4.34-10.526 5.844-11.766s1.808-8.258.912-21.052h-26.529z" mask="url(#a)" transform="translate(0 -1)"/><path d="m26.5 21c-5.799 0-10.5 4.701-10.5 10.5s4.701 10.5 10.5 10.5 10.5-4.701 10.5-10.5c-.017-5.792-4.708-10.483-10.5-10.5zm1.444 16.012h-2.888v-2.493h3.019v2.494zm.131-9.712-.787 5.775h-1.575l-.788-5.775v-1.312h3.15z" fill-rule="nonzero"/></g></svg>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="23" height="25" viewBox="0 0 23 25">
+    <defs>
+        <path id="a" d="M15 23a6 6 0 1 0 0-12 6 6 0 0 0 0 12zm0-10.5a1.5 1.5 0 0 1 1.5 1.5v3a1.5 1.5 0 0 1-3 0v-3a1.5 1.5 0 0 1 1.5-1.5zm0 9a1.5 1.5 0 1 0 0-3 1.5 1.5 0 0 0 0 3z"/>
+    </defs>
+    <g fill="none" fill-rule="evenodd" stroke="#F56679" stroke-linecap="round" stroke-linejoin="round" transform="translate(1 1)">
+        <path stroke-width="1" d="M7.23 20.01l-5.233-.007a2 2 0 0 1-1.997-2V10a2 2 0 0 1 2-2h14c1.259 0 2 .939 2 1M4 8V5a5 5 0 1 1 10 0v3"/>
+        <use fill="#F56679" xlink:href="#a"/>
+    </g>
+</svg>

res/img/feather-icons/e2e/lock-warning.svg

@@ -1,9 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="23" height="25" viewBox="0 0 23 25">
-    <defs>
-        <path id="a" d="M15 23a6 6 0 1 0 0-12 6 6 0 0 0 0 12zm0-10.5a1.5 1.5 0 0 1 1.5 1.5v3a1.5 1.5 0 0 1-3 0v-3a1.5 1.5 0 0 1 1.5-1.5zm0 9a1.5 1.5 0 1 0 0-3 1.5 1.5 0 0 0 0 3z"/>
-    </defs>
-    <g fill="none" fill-rule="evenodd" stroke="#F56679" stroke-linecap="round" stroke-linejoin="round" transform="translate(1 1)">
-        <path stroke-width="1" d="M7.23 20.01l-5.233-.007a2 2 0 0 1-1.997-2V10a2 2 0 0 1 2-2h14c1.259 0 2 .939 2 1M4 8V5a5 5 0 1 1 10 0v3"/>
-        <use fill="#F56679" xlink:href="#a"/>
-    </g>
-</svg>

src/components/structures/RoomStatusBar.js

@@ -290,7 +290,7 @@ module.exports = React.createClass({
         }
 
         return <div className="mx_RoomStatusBar_connectionLostBar">
-            <img src={require("../../../res/img/feather-icons/e2e/warning.svg")} width="24" height="24" title={_t("Warning")} alt="" />
+            <img src={require("../../../res/img/e2e/warning.svg")} width="24" height="24" title={_t("Warning")} alt="" />
             <div>
                 <div className="mx_RoomStatusBar_connectionLostBar_title">
                     { title }
@@ -309,7 +309,7 @@ module.exports = React.createClass({
         if (this._shouldShowConnectionError()) {
             return (
                 <div className="mx_RoomStatusBar_connectionLostBar">
-                    <img src={require("../../../res/img/feather-icons/e2e/warning.svg")} width="24" height="24" title="/!\ " alt="/!\ " />
+                    <img src={require("../../../res/img/e2e/warning.svg")} width="24" height="24" title="/!\ " alt="/!\ " />
                     <div>
                         <div className="mx_RoomStatusBar_connectionLostBar_title">
                             { _t('Connectivity to the server has been lost.') }