Update update_docs

Author: beckermr

.ci_scripts/update_docs

@@ -27,8 +27,7 @@ mv docs-README docs/README
 # git diff
 
 # Only commit the docs for commits on master.
-# GITHUB_HEAD_REF is empty on forks
-if [[ $GH_REF == ref/heads/master ]] && [[ "$GH_TOKEN" != "" ]]; then
+if [[ $GH_REF == ref/heads/master ]] && [[ $GH_TOKEN != "" ]]; then
     git add -A :/
     git commit -m "Re-ran make.py. [ci skip]" || true
     git remote add pushable https://${GH_TOKEN}@github.com/conda-forge/conda-forge.github.io.git/ > /dev/null