Remove redundant lint dependencies

These are no longer needed with the new standard lint repo.

.eslintrc.js

@@ -1,15 +1,3 @@
-const path = require('path');
-
-// get the path of the js-sdk so we can extend the config
-// eslint supports loading extended configs by module,
-// but only if they come from a module that starts with eslint-config-
-// So we load the filename directly (and it could be in node_modules/
-// or or ../node_modules/ etc)
-//
-// We add a `..` to the end because the js-sdk lives out of lib/, but the eslint
-// config is at the project root.
-const matrixJsSdkPath = path.join(path.dirname(require.resolve('matrix-js-sdk')), '..');
-
 module.exports = {
     extends: ["matrix-org", "matrix-org/react-legacy"],
     parser: "babel-eslint",
@@ -31,7 +19,7 @@ module.exports = {
     },
 
     overrides: [{
-        files: ["src/**/*.{ts, tsx}"],
+        "files": ["src/**/*.{ts, tsx}"],
         "extends": ["matrix-org/ts"],
         "rules": {
             // We disable this while we're transitioning
@@ -41,6 +29,6 @@ module.exports = {
 
             "quotes": "off",
             "no-extra-boolean-cast": "off",
-        }
+        },
     }],
 };

package.json

@@ -140,11 +140,9 @@
     "enzyme": "^3.11.0",
     "enzyme-adapter-react-16": "^1.15.2",
     "eslint": "7.5.0",
-    "eslint-config-google": "^0.14.0",
     "eslint-config-matrix-org": "^0.1.2",
     "eslint-plugin-babel": "^5.3.1",
     "eslint-plugin-flowtype": "^2.50.3",
-    "eslint-plugin-jest": "^23.18.0",
     "eslint-plugin-react": "^7.20.3",
     "eslint-plugin-react-hooks": "^2.5.1",
     "estree-walker": "^0.9.0",

yarn.lock

@@ -1722,16 +1722,6 @@
     eslint-scope "^5.0.0"
     eslint-utils "^2.0.0"
 
-"@typescript-eslint/experimental-utils@^2.5.0":
-  version "2.34.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/experimental-utils/-/experimental-utils-2.34.0.tgz#d3524b644cdb40eebceca67f8cf3e4cc9c8f980f"
-  integrity sha512-eS6FTkq+wuMJ+sgtuNTtcqavWXqsflWcfBnlYhg/nS4aZ1leewkXGbvBhaapn1q6qf4M71bsR1tez5JTRMuqwA==
-  dependencies:
-    "@types/json-schema" "^7.0.3"
-    "@typescript-eslint/typescript-estree" "2.34.0"
-    eslint-scope "^5.0.0"
-    eslint-utils "^2.0.0"
-
 "@typescript-eslint/parser@^3.4.0":
   version "3.4.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-3.4.0.tgz#fe52b68c5cb3bba3f5d875bd17adb70420d49d8d"
@@ -1758,19 +1748,6 @@
   resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-3.7.0.tgz#09897fab0cb95479c01166b10b2c03c224821077"
   integrity sha512-reCaK+hyKkKF+itoylAnLzFeNYAEktB0XVfSQvf0gcVgpz1l49Lt6Vo9x4MVCCxiDydA0iLAjTF/ODH0pbfnpg==
 
-"@typescript-eslint/typescript-estree@2.34.0":
-  version "2.34.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-2.34.0.tgz#14aeb6353b39ef0732cc7f1b8285294937cf37d5"
-  integrity sha512-OMAr+nJWKdlVM9LOqCqh3pQQPwxHAN7Du8DR6dmwCrAmxtiXQnhHJ6tBNtf+cggqfo51SG/FCwnKhXCIM7hnVg==
-  dependencies:
-    debug "^4.1.1"
-    eslint-visitor-keys "^1.1.0"
-    glob "^7.1.6"
-    is-glob "^4.0.1"
-    lodash "^4.17.15"
-    semver "^7.3.2"
-    tsutils "^3.17.1"
-
 "@typescript-eslint/typescript-estree@3.4.0":
   version "3.4.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-3.4.0.tgz#6a787eb70b48969e4cd1ea67b057083f96dfee29"
@@ -3983,13 +3960,6 @@ eslint-plugin-import@^2.14.0:
     resolve "^1.17.0"
     tsconfig-paths "^3.9.0"
 
-eslint-plugin-jest@^23.18.0:
-  version "23.18.0"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-jest/-/eslint-plugin-jest-23.18.0.tgz#4813eacb181820ed13c5505f400956d176b25af8"
-  integrity sha512-wLPM/Rm1SGhxrFQ2TKM/BYsYPhn7ch6ZEK92S2o/vGkAAnDXM0I4nTIo745RIX+VlCRMFgBuJEax6XfTHMdeKg==
-  dependencies:
-    "@typescript-eslint/experimental-utils" "^2.5.0"
-
 eslint-plugin-react-hooks@^2.5.1:
   version "2.5.1"
   resolved "https://registry.yarnpkg.com/eslint-plugin-react-hooks/-/eslint-plugin-react-hooks-2.5.1.tgz#4ef5930592588ce171abeb26f400c7fbcbc23cd0"