remove main from legacy manifest (#3934)

* remove main from legacy manifest

* publish from branch

Author: ntotten

.github/workflows/publish-legacy.yaml

@@ -2,13 +2,21 @@ name: "Publish Legacy Extension"
 
 on:
   workflow_dispatch:
+    inputs:
+      branch:
+        description: "Branch to publish from"
+        required: true
+        default: "main"
+        type: string
 
 jobs:
   publish:
     runs-on: ubuntu-latest
     name: Publish Legacy Extension
     steps:
       - uses: actions/checkout@v6
+        with:
+          ref: ${{ inputs.branch }}
       - uses: actions/setup-node@v6
         with:
           node-version-file: ".nvmrc"

legacy/extension.js

@@ -30,7 +30,6 @@
     "Formatters"
   ],
   "icon": "icon.png",
-  "main": "./extension.js",
   "contributes": {},
   "deprecated": true
 }