update ci.yml by removing glightbox

Author: DininduSenanayake

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
         with:
           python-version: 3.x
       - run: pip install mkdocs-material 
-             pip install mkdocs-glightbox
+             #pip install mkdocs-glightbox
              pip install mkdocs-awesome-pages-plugin
 
       - run: mkdocs gh-deploy --force