Remove unused files

xdgurl.AppDir/xdgurl.desktop

-[Desktop Entry]
-Name=xdgurl
-Exec=xdgurl %u
-Icon=xdgurl
-Type=Application
-Terminal=false
-NoDisplay=true
-Categories=Network;Utility;
-MimeType=x-scheme-handler/xdg;x-scheme-handler/xdgs;