Fix GitHub Pages deployment: remove environment restriction to allow deployment from main branch

Author: mrabbani

.github/workflows/deploy.yml

@@ -16,9 +16,6 @@ concurrency:
 
 jobs:
   deploy:
-    environment:
-      name: gh-pages
-      url: ${{ steps.deployment.outputs.page_url }}
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository