Refactor code structure for improved readability and maintainability

config.json

@@ -17,7 +17,6 @@
   "featuredCommunities": {
     "openAsDefault": false,
     "spaces": [
-      "#cinny-space:matrix.org",
       "#community:matrix.org",
       "#space:envs.net",
       "#science-space:matrix.org",
@@ -25,7 +24,6 @@
       "#mathematics-on:matrix.org"
     ],
     "rooms": [
-      "#cinny:matrix.org",
       "#freesoftware:matrix.org",
       "#pcapdroid:matrix.org",
       "#gentoo:matrix.org",