Update Dockerfile

removed parser functions, because it is included in standard mediawiki installation

Author: Dominik-Brand

Dockerfile

@@ -4,6 +4,5 @@ RUN git clone -b 7.0.0 https://github.com/wikimedia/mediawiki-extensions-Pluggab
 
 RUN git clone https://github.com/FREILab/mediawiki-extensions-EasyVereinAuth.git /var/www/html/extensions/EasyVereinAuth
 
-RUN git clone https://github.com/wikimedia/mediawiki-extensions-ParserFunctions.git /var/www/html/extensions/ParserFunctions
-
 RUN git clone https://github.com/sigbertklinke/Iframe.git /var/www/html/extensions/Iframe
+