removed php version header

Dockerfile

@@ -38,6 +38,7 @@ RUN sed -i 's/user = nobody/user = nginx/g' /etc/php7/php-fpm.d/www.conf && \
     sed -i 's/user = www-data/user = nginx/g' /etc/php7/php-fpm.d/www.conf && \
     sed -i 's/group = www-data/group = nginx/g' /etc/php7/php-fpm.d/www.conf && \
     sed -i 's/;cgi.fix_pathinfo=1/cgi.fix_pathinfo=0/g' /etc/php7/php.ini && \
+    sed -i 's/expose_php = On/expose_php = Off/g' /etc/php7/php.ini && \
     # Opcache configuration
     sed -i 's/;opcache.enable=1/opcache.enable=1/g' /etc/php7/php.ini && \
     sed -i 's/;opcache.memory_consumption=128/opcache.memory_consumption=128/g' /etc/php7/php.ini && \

Dockerfile.dev

@@ -37,6 +37,7 @@ RUN sed -i 's/user = nobody/user = nginx/g' /etc/php7/php-fpm.d/www.conf && \
     sed -i 's/user = www-data/user = nginx/g' /etc/php7/php-fpm.d/www.conf && \
     sed -i 's/group = www-data/group = nginx/g' /etc/php7/php-fpm.d/www.conf && \
     sed -i 's/;cgi.fix_pathinfo=1/cgi.fix_pathinfo=0/g' /etc/php7/php.ini && \
+    sed -i 's/expose_php = On/expose_php = Off/g' /etc/php7/php.ini && \
     echo "daemonize yes" >> /etc/redis.conf && \
     ln -s /dev/null /var/log/nginx/access.log && \
     ln -s /dev/stdout /var/log/nginx/error.log && \