meson: remove some cruft

meson.build

@@ -140,141 +140,11 @@ foreach h : check_headers
 endforeach
 
 check_functions = [
-# check token HAVE_ANDROID_MEDIA
-# check token HAVE_APEXSINK
-# check token HAVE_APPLE_MEDIA
-# check token HAVE_ASSRENDER
-# check token HAVE_AVC
-# check token HAVE_BLUEZ
-# check token HAVE_BZ2
-# check token HAVE_CFLOCALECOPYCURRENT
-# check token HAVE_CFPREFERENCESCOPYAPPVALUE
-# check token HAVE_CHROMAPRINT
-# check token HAVE_CPU_ALPHA
-# check token HAVE_CPU_ARM
-# check token HAVE_CPU_CRIS
-# check token HAVE_CPU_CRISV32
-# check token HAVE_CPU_HPPA
-# check token HAVE_CPU_I386
-# check token HAVE_CPU_IA64
-# check token HAVE_CPU_M68K
-# check token HAVE_CPU_MIPS
-# check token HAVE_CPU_PPC
-# check token HAVE_CPU_PPC64
-# check token HAVE_CPU_S390
-# check token HAVE_CPU_SPARC
-# check token HAVE_CPU_X86_64
-# check token HAVE_CURL
-# check token HAVE_DAALA
-# check token HAVE_DASH
-# check token HAVE_DC1394
   ['HAVE_DCGETTEXT', 'dcgettext'],
-# check token HAVE_DECKLINK
-# check token HAVE_DIRECT3D
-# check token HAVE_DIRECTDRAW
-# check token HAVE_DIRECTFB
-# check token HAVE_DIRECTSOUND
-# check token HAVE_DOWHILE_MACROS
-# check token HAVE_DTS
-# check token HAVE_DVB
-# check token HAVE_EXPERIMENTAL
-# check token HAVE_EXTERNAL
-# check token HAVE_FAAC
-# check token HAVE_FAAD
-# check token HAVE_FBDEV
-# check token HAVE_FLITE
-# check token HAVE_FLUIDSYNTH
   ['HAVE_GETPAGESIZE', 'getpagesize'],
-# check token HAVE_GETTEXT
-# check token HAVE_GL
-# check token HAVE_GLCHAR
-# check token HAVE_GLEGLIMAGEOES
-# check token HAVE_GLINTPTR
-# check token HAVE_GLSIZEIPTR
-# check token HAVE_GME
   ['HAVE_GMTIME_R', 'gmtime_r'],
-# check token HAVE_GRAPHENE
-# check token HAVE_GSETTINGS
-# check token HAVE_GSM
-# check token HAVE_GUDEV
-# check token HAVE_HLS
-# check token HAVE_ICONV
-# check token HAVE_JPEG
-# check token HAVE_KATE
-# check token HAVE_LADSPA
-# check token HAVE_LIBGCRYPT
-# check token HAVE_LIBGME_ACCURACY
-# check token HAVE_LIBMMS
-# check token HAVE_LIBNSL
-# check token HAVE_LIBSOCKET
-# check token HAVE_LIBUSB
-# check token HAVE_LIBVISUAL
-# check token HAVE_LINSYS
-# check token HAVE_LRDF
-# check token HAVE_LV2
-# check token HAVE_MIMIC
   ['HAVE_MMAP', 'mmap'],
-# check token HAVE_MODPLUG
-# check token HAVE_MPEG2ENC
-# check token HAVE_MPG123
-# check token HAVE_MPLEX
-# check token HAVE_MUSEPACK
-# check token HAVE_MYTHTV
-# check token HAVE_NAS
-# check token HAVE_NEON
-# check token HAVE_NETTLE
-# check token HAVE_OFA
-# check token HAVE_OPENAL
-# check token HAVE_OPENCV
-# check token HAVE_OPENEXR
-# check token HAVE_OPENJPEG
-# check token HAVE_OPENJPEG_1
-# check token HAVE_OPENNI2
-# check token HAVE_OPENSLES
-# check token HAVE_OPUS
-# check token HAVE_ORC
-# check token HAVE_OSX_VIDEO
   ['HAVE_PIPE2', 'pipe2'],
-# check token HAVE_PNG
-# check token HAVE_PVR
-# check token HAVE_QUICKTIME
-# check token HAVE_RDTSC
-# check token HAVE_RESINDVD
-# check token HAVE_RSVG
-# check token HAVE_RSVG_2_36_2
-# check token HAVE_RTMP
-# check token HAVE_SBC
-# check token HAVE_SDL
-# check token HAVE_SHM
-# check token HAVE_SMOOTHSTREAMING
-# check token HAVE_SNDFILE
-# check token HAVE_SNDIO
-# check token HAVE_SOUNDTOUCH
-# check token HAVE_SOUNDTOUCH_1_4
-# check token HAVE_SPANDSP
-# check token HAVE_SPC
-# check token HAVE_SRTP
-# check token HAVE_SSH2
-# check token HAVE_TELETEXTDEC
-# check token HAVE_TIGER
-# check token HAVE_TIMIDITY
-# check token HAVE_UVCH264
-# check token HAVE_VALGRIND
-# check token HAVE_VCD
-# check token HAVE_VDPAU
-# check token HAVE_VIDEOTOOLBOX
-# check token HAVE_VOAACENC
-# check token HAVE_VOAMRWBENC
-# check token HAVE_WASAPI
-# check token HAVE_WAYLAND
-# check token HAVE_WEBP
-# check token HAVE_WILDMIDI
-# check token HAVE_WIN32
-# check token HAVE_WININET
-# check token HAVE_WINKS
-# check token HAVE_WINSCREENCAP
-# check token HAVE_XVID
-# check token HAVE_ZBAR
 ]
 
 foreach f : check_functions