Update Dockerfile

Author: magenx

mariadb/Dockerfile

@@ -3,7 +3,3 @@ FROM mariadb:${MARIADB_VERSION}
 
 LABEL author="admin@magenx.com"
 LABEL source="https://github.com/magenx/Magento-2-docker-configuration"
-
-ADD https://raw.githubusercontent.com/magenx/Magento-mysql/master/my.cnf/my.cnf /etc/mysql/conf.d/my.cnf
-
-RUN sed -i "s/127.0.0.1/mariadb/" /etc/mysql/conf.d/my.cnf