configure: read_only_relocs is unnecessary on 64-bit OS X

Signed-off-by: Felix Paul Kühne <fkuehne@videolan.org>
(cherry picked from commit f1ccba2fc364dfb8201461307a1cf6a5c1b2e7fd)
Signed-off-by: Felix Paul Kühne <fkuehne@videolan.org>

configure.ac

@@ -171,7 +171,6 @@ case "${host_os}" in
     OBJCFLAGS="${OBJCFLAGS} -D_INTL_REDIRECT_MACROS -std=gnu99 ${ARCH_flag}"
     LDFLAGS="${LDFLAGS} -Wl,-headerpad_max_install_names ${ARCH_flag}"
     VLC_ADD_LIBS([libvlc vlc],[-Wl,-undefined,dynamic_lookup,-framework,AppKit])
-    VLC_ADD_LIBS([avcodec access_avio swscale postproc i420_rgb_mmx x262 x264 x26410b],[-Wl,-read_only_relocs,suppress])
     VLC_ADD_LIBS([libvlccore],[-Wl,-framework,CoreFoundation,-framework,CoreServices])
 
     AC_EGREP_CPP(yes,