Remove intersection-observer polyfill

client/components/MessageList.vue

@@ -55,8 +55,6 @@
 </template>
 
 <script>
-require("intersection-observer");
-
 const constants = require("../js/constants");
 import clipboard from "../js/clipboard";
 import socket from "../js/socket";

package.json

@@ -89,7 +89,6 @@
     "fuzzy": "0.1.3",
     "graphql-request": "1.8.2",
     "husky": "4.2.5",
-    "intersection-observer": "0.7.0",
     "mini-css-extract-plugin": "0.9.0",
     "mocha": "7.1.1",
     "mousetrap": "1.6.5",

yarn.lock

@@ -4521,11 +4521,6 @@ interpret@1.2.0:
   resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.2.0.tgz#d5061a6224be58e8083985f5014d844359576296"
   integrity sha512-mT34yGKMNceBQUoVn7iCDKDntA7SC6gycMAWzGx1z/CMCTV7b2AAtXlo3nRyHZ1FelRkQbQjprHSYGwzLtkVbw==
 
-intersection-observer@0.7.0:
-  version "0.7.0"
-  resolved "https://registry.yarnpkg.com/intersection-observer/-/intersection-observer-0.7.0.tgz#ee16bee978db53516ead2f0a8154b09b400bbdc9"
-  integrity sha512-Id0Fij0HsB/vKWGeBe9PxeY45ttRiBmhFyyt/geBdDHBYNctMRTE3dC1U3ujzz3lap+hVXlEcVaB56kZP/eEUg==
-
 invariant@^2.2.2, invariant@^2.2.4:
   version "2.2.4"
   resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.4.tgz#610f3c92c9359ce1db616e538008d23ff35158e6"