removed gitkeep from apache2/ssl and duplication APACHE_SSL_PATH

.env.example

@@ -348,7 +348,6 @@ APACHE_HOST_HTTP_PORT=80
 APACHE_HOST_HTTPS_PORT=443
 APACHE_HOST_LOG_PATH=./logs/apache2
 APACHE_SITES_PATH=./apache2/sites
-APACHE_SSL_PATH=./apache2/ssl
 APACHE_PHP_UPSTREAM_CONTAINER=php-fpm
 APACHE_PHP_UPSTREAM_PORT=9000
 APACHE_PHP_UPSTREAM_TIMEOUT=60