chore: remove "following" logic which is not used

models/User.js

@@ -24,7 +24,6 @@ const schema = new mongoose.Schema(
     },
     bio: String,
     image: String,
-    following: [{ type: mongoose.Schema.Types.ObjectId, ref: 'User' }],
     areTracksVisibleForAll: Boolean,
     hash: String,
     salt: String,
@@ -83,28 +82,8 @@ class User extends mongoose.Model {
       username: this.username,
       bio: this.bio,
       image: this.image || 'https://static.productionready.io/images/smiley-cyrus.jpg',
-      following: user ? user.isFollowing(this._id) : false,
     };
   }
-
-  follow(id) {
-    if (this.following.indexOf(id) === -1) {
-      this.following.push(id);
-    }
-
-    return this.save();
-  }
-
-  unfollow(id) {
-    this.following.remove(id);
-    return this.save();
-  }
-
-  isFollowing(id) {
-    return this.following.some(function (followId) {
-      return followId.toString() === id.toString();
-    });
-  }
 }
 
 mongoose.model(User, schema);

routes/api/profiles.js

@@ -28,22 +28,4 @@ router.get(
   }),
 );
 
-router.post(
-  '/:username/follow',
-  auth.required,
-  wrapRoute(async (req, res) => {
-    await req.user.follow(req.profile._id);
-    return res.json({ profile: req.profile.toProfileJSONFor(req.user) });
-  }),
-);
-
-router.delete(
-  '/:username/follow',
-  auth.required,
-  wrapRoute(async (req, res) => {
-    await req.user.unfollow(req.profile._id);
-    return res.json({ profile: req.profile.toProfileJSONFor(req.user) });
-  }),
-);
-
 module.exports = router;

routes/api/tracks.js

@@ -105,15 +105,10 @@ router.get(
       offset = req.query.offset;
     }
 
-    const showByUserIds = [req.user.id, ...(req.user.following || [])];
-
+    const query = { author: req.user.id };
     const [tracks, tracksCount] = await Promise.all([
-      Track.find({ author: { $in: showByUserIds } })
-        .limit(Number(limit))
-        .skip(Number(offset))
-        .populate('author')
-        .exec(),
-      Track.countDocuments({ author: { $in: showByUserIds } }),
+      Track.find(query).limit(Number(limit)).skip(Number(offset)).populate('author').exec(),
+      Track.countDocuments(query),
     ]);
 
     return res.json({