Simplify indentation in ynh_psql_test_if_first_run

data/helpers.d/postgresql

@@ -265,7 +265,9 @@ ynh_psql_remove_db() {
 ynh_psql_test_if_first_run() {
 	if [ -f "$PSQL_ROOT_PWD_FILE" ]; then
 		echo "PostgreSQL is already installed, no need to create master password"
-	else
+        return
+    fi
+
     local psql_root_password="$(ynh_string_random)"
     echo "$psql_root_password" >$PSQL_ROOT_PWD_FILE
 
@@ -294,5 +296,4 @@ ynh_psql_test_if_first_run() {
 
     systemctl enable postgresql
     ynh_systemd_action --service_name=postgresql --action=reload
-	fi
 }