cleans up comments

create.sh

   --user=${DB_USER} \
   --password=${DB_USER_PASSWORD} \
   --silent"
-# weird [: mysqld: unexpected operator when using COMMAND
-#while ! docker exec ${DOCKER_PREFIX}-web /bin/sh -c "mysqladmin ping -h ${DOCKER_PREFIX}-db -P 3306 --protocol=tcp -u user -puser --silent"
+# weird [: mysqld: unexpected operator when using PING_MYSQL but it works
 while [ ! $(docker exec ${DOCKER_PREFIX}-web /bin/sh -c "${PING_MYSQL}") ]
-#while [ ! $(${COMMAND}) ]
 do
     echo Waiting for ${DOCKER_PREFIX}-db to accept connections…
     sleep 1