Add output for why dev branch shows up twice during load-prod.

tasks/general/acct_mgmt/users.yml

@@ -928,6 +928,7 @@
         git ls-remote --heads | sort
 
         if [[ "$base" != "dev" ]]; then
+          echo -e "\n* Checking if a dev branch exists."
           git ls-remote --exit-code --heads origin dev
           dev_exists="$?"
           if [[ "$dev_exists" == 0 ]]; then