chore(repo): remove test lib

Author: mandarini

packages/core/realtime-js/src/RealtimeChannel.ts

@@ -10,7 +10,6 @@ import type {
 } from './RealtimePresence'
 import * as Transformers from './lib/transformers'
 import { httpEndpointURL } from './lib/transformers'
-import {} from '@supabase/utils-fetch'
 
 type ReplayOption = {
   since: number

packages/core/realtime-js/tsconfig.json

@@ -17,9 +17,5 @@
     "stripInternal": true,
     "isolatedModules": false
   },
-  "references": [
-    {
-      "path": "../../utils/fetch"
-    }
-  ]
+  "references": []
 }