chore: Remove reference to custom features branch (#1426)

Author: mjameswh

.github/workflows/ci.yml

@@ -404,7 +404,6 @@ jobs:
       typescript-repo-path: ${{github.event.pull_request.head.repo.full_name}}
       version: ${{github.event.pull_request.head.ref}}
       version-is-repo-ref: true
-      features-repo-ref: http-connect-proxy-typescript
 
   stress-tests-no-reuse-context:
     name: Stress Tests (No Reuse V8 Context)