[net/toxcore] drop 'devel/check' dependency

It is only needed for unit tests and testing programs that are not built.
[net/toxcore] better syntax in patches
[net/toxcore-git] (was [net/toxcore]) updated to current version

--HG--
rename : net/toxcore/Makefile => net/toxcore-git/Makefile
rename : net/toxcore/distinfo => net/toxcore-git/distinfo
rename : net/toxcore/patches/patch-toxav_media_h => net/toxcore-git/patches/patch-toxav_media_h
rename : net/toxcore/patches/patch-toxav_toxav_c => net/toxcore-git/patches/patch-toxav_toxav_c
rename : net/toxcore/patches/patch-toxcore_tox_h => net/toxcore-git/patches/patch-toxcore_tox_h
rename : net/toxcore/pkg/DESCR => net/toxcore-git/pkg/DESCR
rename : net/toxcore/pkg/PLIST => net/toxcore-git/pkg/PLIST
[net/toxic-git] (was [net/toxic]) update to current version

--HG--
rename : net/toxic/Makefile => net/toxic-git/Makefile
rename : net/toxic/distinfo => net/toxic-git/distinfo
rename : net/toxic/patches/patch-src_audio_call_h => net/toxic-git/patches/patch-src_audio_call_h
rename : net/toxic/patches/patch-src_toxic_windows_h => net/toxic-git/patches/patch-src_toxic_windows_h
rename : net/toxic/pkg/DESCR => net/toxic-git/pkg/DESCR
rename : net/toxic/pkg/PLIST => net/toxic-git/pkg/PLIST
[net/toxic-git] correctly name the port in README.md
[net/venom] drop for now