Remove CoglMatrix

Adios, amiga.

!1439
6 jobs for !1439 with gbsneto/graphene-matrix in 9 minutes and 39 seconds (queued for 1 second)
detached
Status Job ID Name Coverage
  Review
passed #906942
check-commit-log

00:00:14

 
  Build
passed #906943
build-mutter

00:03:58

passed #906945
build-without-native-backend-and-wayland

00:01:19

passed #906944
build-without-opengl-and-glx

00:09:38

 
  Test
passed #906947
can-build-gnome-shell

00:02:59

passed #906946
test-mutter

00:05:04