Revert "Add Optimizing Boss Room Performance"

This reverts commit 427c1f2.

Author: armstrongl

docs/learn/bossroom/optimizing-bossroom.md

@@ -374,10 +374,6 @@ module.exports = {
                             "type": "doc",
                             "id": "learn/bossroom/networkobject-parenting"
                         },
-                        {
-                            "type": "doc",
-                            "id": "learn/bossroom/optimizing-bossroom"
-                        },
                         {
                             "type": "doc",
                             "id": "learn/bossroom/networkrigidbody"