Replace CoglMatrix by graphene_matrix_t

Replace both the types, and the cogl_matrix_* API calls
with the corresponding graphene_matrix_* ones.

!1436
8 jobs for !1436 with gbsneto/graphene-matrix in 3 minutes and 46 seconds (queued for 2 seconds)
detached
Status Job ID Name Coverage
  Review
passed #906925
check_commit_log

00:00:33

passed #906930
eslint

00:01:13

passed #906928
js_check

00:00:26

passed #906932
no_template_check

00:00:19

passed #906931
potfile_check

00:00:32

 
  Build
passed #906933
build

00:02:35

passed #906934
flatpak
flatpak

00:02:10

 
  Test
passed #906935
test

00:01:09