Update workflow to remove release triggers

Removed workflow_run trigger for new releases.

Author: czxdev

.github/workflows/generate-index-from-release.yaml

@@ -1,12 +1,6 @@
 name: Wheels Index
 
 on:
-  # Trigger on new release
-  workflow_run:
-    workflows: ["Release", "Build Wheels (CUDA)", "Build Wheels (Metal)", "Build Wheels (Vulkan)", "Build Wheels (ROCm)"]
-    types:
-      - completed
-
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch: