Remove dev comment from gh workflow

tcharding · tcharding · commit fcb3021aa4d0 · 2023-10-24T12:34:32.000+11:00
This comment was just in there while we developed the action, we can
remove it now.
diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
@@ -1,6 +1,3 @@
-# This needs the following setting:
-# Setttings > Actions > General > Workflow permissions
-# change to "Read and write permissions"
 name: github pages
 
 on:
