move the Jack plugin to alsa-plugins
move the Jack plugin to alsa-plugins

remove the src/pcm/ext/Makefile.in entry from configure.in, too

Signed-off-by: Lee Revell <bd573d1266dbef99d2bb3285475cd43679e82d26@joe-job.com>

alsa-project/alsa-lib,lgirdwood/alsa-lib,lgirdwood/alsa-lib,Distrotech/alsa-lib,tiwai/alsa-lib,mengdonglin/alsa-lib,mikelima/alsa-lib,takaswie/alsa-lib,mikelima/alsa-lib,tiwai/alsa-lib,mengdonglin/alsa-lib,gittup/alsa-lib,gittup/alsa-lib,zedongchen/alsa-lib,mikelima/alsa-lib,lgirdwood/alsa-lib,takaswie/alsa-lib,zedongchen/alsa-lib,tiwai/alsa-lib,lgirdwood/alsa-lib,gittup/alsa-lib,Distrotech/alsa-lib,takaswie/alsa-lib,zedongchen/alsa-lib,alsa-project/alsa-lib,mikelima/alsa-lib,lgirdwood/alsa-lib,takaswie/alsa-lib,mengdonglin/alsa-lib,gittup/alsa-lib,Distrotech/alsa-lib,mikelima/alsa-lib,alsa-project/alsa-lib,takaswie/alsa-lib,Distrotech/alsa-lib,zedongchen/alsa-lib,mengdonglin/alsa-lib,Distrotech/alsa-lib,mengdonglin/alsa-lib,tiwai/alsa-lib,alsa-project/alsa-lib,zedongchen/alsa-lib