Merge pull request #11549 from vector-im/jryans/rm-lazyloading-rollout

Clean up and standardise app config

riot.im/app/config.json

@@ -12,20 +12,14 @@
     ],
     "hosting_signup_link": "https://modular.im/?utm_source=riot-web&utm_medium=web",
     "bug_report_endpoint_url": "https://riot.im/bugreports/submit",
+    "features": {
+    },
     "welcomeUserId": "@riot-bot:matrix.org",
     "piwik": {
         "url": "https://piwik.riot.im/",
         "siteId": 1,
         "policyUrl": "https://matrix.org/docs/guides/riot_im_cookie_policy"
     },
-    "phasedRollOut": {
-        "feature_lazyloading": {
-            "offset": 1539684000000,
-            "period": 604800000
-        }
-    },
-    "features": {
-    },
     "roomDirectory": {
         "servers": [
             "matrix.org"