fix ci.yml syntax

Author: DininduSenanayake

.github/workflows/ci.yml

@@ -18,7 +18,6 @@ jobs:
         with:
           python-version: 3.x
       - run: pip install mkdocs-material 
-             #pip install mkdocs-glightbox
              pip install mkdocs-awesome-pages-plugin
-
+#            pip install mkdocs-glightbox
       - run: mkdocs gh-deploy --force