pidgin/purple-plugin-pack

remove the msglen plugin as it is incomplete and unlikely to be completed
if TYPES.contains('default') and PURPLE.found()
flip = shared_library('flip',
'flip.c',
dependencies : [PURPLE, GLIB],
name_prefix : '',
install : true,
install_dir : PURPLE_LIBDIR)
PP_PURPLE_BUILD += 'flip'
endif