extras/macosx: avoid unnecessary copying of modules

This is useless and breaks builds if the script is not used anymore
later on.

extras/macosx/build-vlc.sh

@@ -217,8 +217,6 @@ info "Installing VLC"
 make install > ${out}
 cd ..
 
-find ${PREFIX}/lib/vlc/plugins -name *.dylib -type f -exec cp '{}' ${PREFIX}/lib/vlc/plugins \;
-
 info "Removing unneeded modules"
 blacklist="
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