Re-organize favicon and do not copy to domain root

We will do it through nginx

Dockerfile

@@ -123,11 +123,6 @@ COPY ./resources /var/www/mediawiki/resources
 
 COPY ./config/php-config.ini /usr/local/etc/php/conf.d/php-config.ini
 COPY ./config/robots.txt /var/www/mediawiki/robots.txt
-COPY ./resources/assets/favicon.ico /var/www/mediawiki/favicon.ico
-COPY ./resources/assets/favicon-16x16.png /var/www/mediawiki/favicon-16x16.png
-COPY ./resources/assets/favicon-32x32.png /var/www/mediawiki/favicon-32x32.png
-COPY ./resources/assets/favicon.svg /var/www/mediawiki/favicon.svg
-COPY ./resources/assets/apple-touch-icon.png /var/www/mediawiki/apple-touch-icon.png
 
 RUN echo 'memory_limit = 512M' >> /usr/local/etc/php/conf.d/docker-php-memlimit.ini; \
     echo 'max_execution_time = 60' >> /usr/local/etc/php/conf.d/docker-php-executiontime.ini; \