chore: remove temporary reference for testing in workflow

Author: Le-Caignec

.github/workflows/propose-safe-multisig-tx.yml

@@ -50,8 +50,6 @@ jobs:
         uses: actions/checkout@v4
         with:
           repository: iExecBlockchainComputing/github-actions-workflows
-          # TODO: Only for testing, remove before merging
-          ref: feature/add-safe-transaction-reusable-workflow
 
       - name: Setup Node.js
         uses: actions/setup-node@v4