Remove CoglMatrix

Adios, amiga.

!1439
6 jobs for !1439 with gbsneto/graphene-matrix in 6 minutes and 15 seconds (queued for 2 seconds)
detached
Status Job ID Name Coverage
  Review
passed #928143
check-commit-log

00:00:33

 
  Build
passed #928144
build-mutter

00:02:13

passed #928146
build-without-native-backend-and-wayland

00:02:05

passed #928145
build-without-opengl-and-glx

00:01:58

 
  Test
passed #928148
can-build-gnome-shell

00:01:43

passed #928147
test-mutter

00:04:01