Move LanguageSelector to views

It's too simple to be called a structure.

res/css/_components.scss

@@ -23,7 +23,6 @@
 @import "./structures/_UploadBar.scss";
 @import "./structures/_UserSettings.scss";
 @import "./structures/_ViewSource.scss";
-@import "./structures/auth/_LanguageSelector.scss";
 @import "./structures/auth/_Login.scss";
 @import "./views/auth/_AuthBody.scss";
 @import "./views/auth/_AuthButtons.scss";
@@ -32,6 +31,7 @@
 @import "./views/auth/_AuthHeaderLogo.scss";
 @import "./views/auth/_AuthPage.scss";
 @import "./views/auth/_InteractiveAuthEntryComponents.scss";
+@import "./views/auth/_LanguageSelector.scss";
 @import "./views/auth/_ServerConfig.scss";
 @import "./views/avatars/_BaseAvatar.scss";
 @import "./views/avatars/_MemberStatusMessageAvatar.scss";

src/components/views/auth/AuthHeader.js

@@ -25,7 +25,7 @@ module.exports = React.createClass({
 
     render: function() {
         const AuthHeaderLogo = sdk.getComponent('auth.AuthHeaderLogo');
-        const LanguageSelector = sdk.getComponent('structures.auth.LanguageSelector');
+        const LanguageSelector = sdk.getComponent('views.auth.LanguageSelector');
 
         return (
             <div className="mx_AuthHeader">