Remove the snapshot video output

It is not used anywhere (it was meant for use with Corba).
We have better ways to take snapshots nowadays.

configure.ac

@@ -3249,16 +3249,6 @@ dnl  SVG module
 dnl
 PKG_ENABLE_MODULES_VLC([SVG], [], [librsvg-2.0 >= 2.9.0], [SVG rendering library],[auto])
 
-dnl
-dnl Snapshot vout module (with cache)
-dnl
-AC_ARG_ENABLE(snapshot,
-  [  --enable-snapshot       snapshot module (default disabled)])
-if test "${enable_snapshot}" = "yes"
-then
-  VLC_ADD_PLUGIN([snapshot])
-fi
-
 dnl
 dnl  iOS vout module
 dnl

modules/LIST

@@ -281,7 +281,6 @@ $Id$
  * simple_channel_mixer: channel mixer
  * skins2: Skinnable interface, new generation
  * smf: Standard MIDI file demuxer
- * snapshot: a output module to save pictures from the vout
  * spatializer: A spatializer audio filter
  * spdif_mixer: dummy audio mixer for the S/PDIF output
  * speex: a speex audio decoder/packetizer using the libspeex library

modules/video_output/Modules.am

@@ -8,7 +8,6 @@ SOURCES_aa = aa.c
 SOURCES_caca = caca.c
 SOURCES_fb = fb.c
 SOURCES_vout_sdl = sdl.c
-SOURCES_snapshot = snapshot.c
 SOURCES_directfb = directfb.c
 SOURCES_vmem = vmem.c
 SOURCES_yuv = yuv.c

po/POTFILES.in

@@ -1138,7 +1138,6 @@ modules/video_output/msw/events.c
 modules/video_output/msw/glwin32.c
 modules/video_output/msw/wingdi.c
 modules/video_output/sdl.c
-modules/video_output/snapshot.c
 modules/video_output/vmem.c
 modules/video_output/xcb/glx.c
 modules/video_output/xcb/window.c