apple: build.conf: update dependencies and configure

Remove GPL plugins and encoders, and merge the ffmpeg plugins into a
single one.

extras/package/apple/build.conf

@@ -29,13 +29,14 @@ export VLC_CONTRIB_OPTIONS_BASE=(
     --enable-soxr
     --enable-vorbis
     --enable-vpx
-    --enable-zvbi
     --enable-ffmpeg
     --enable-bitstream
     --enable-gcrypt
     --enable-mpg123
     --enable-zlib
     --enable-dvbpsi
+    --disable-sout
+    --disable-gpl
 )
 
 # Additional contrib bootstrap options for macOS
@@ -97,6 +98,7 @@ export VLC_CONFIG_OPTIONS_BASE=(
     --disable-mad
     --without-dsm
     --disable-postproc
+    --enable-merge-ffmpeg
 )
 
 # Additional configure options for macOS