Community page cleanup: move comment into front matter (#328)

Author: chalin

content/en/community/_index.md

@@ -1,6 +1,5 @@
 ---
 title: Community
 menu: {main: {weight: 40}}
+# Add blocks of content here to add more sections to the community page
 ---
-
-<!--add blocks of content here to add more sections to the community page -->