chore: add improvements from pr commnents

Author: Qbandev

action.yml

@@ -30,7 +30,7 @@ inputs:
     required: false
     default: 5
   yarn-custom-url:
-    description: 'Optional custom URL for a Yarn bundle to be prepared and activated by Corepack. For CI testing.'
+    description: 'Optional custom URL for a Yarn bundle to be prepared and activated by Corepack'
     required: false
     default: ''
 
@@ -76,11 +76,6 @@ runs:
       run: echo "actual-commit-hash=$(git rev-parse HEAD)" >> "$GITHUB_OUTPUT"
       shell: bash
 
-    - name: Enable unsafe custom Yarn URLs
-      if: ${{ inputs.yarn-custom-url != '' }}
-      run: echo "COREPACK_ENABLE_UNSAFE_CUSTOM_URLS=1" >> $GITHUB_ENV
-      shell: bash
-
     - run: corepack enable
       shell: bash