Modify CODEOWNERS for code review assignments (#15205)

Updated CODEOWNERS to change reviewers for all other code changes.

Author: Maffooch

.github/CODEOWNERS

@@ -1,19 +1,4 @@
-# Any kind of package updates only need 2 approvals,
-# So let's add three folks here
-requirements.txt @cneill @mtesauro @Maffooch
-# Any dockerfile or compose changes will need to be viewed by
-# these people
-Dockerfile.* @mtesauro @Maffooch 
-docker-compose.* @mtesauro @Maffooch 
-/docker/ @mtesauro @Maffooch 
 # Documentation changes 
-/docs/content/ @paulOsinski @valentijnscholten @Maffooch
-# Kubernetes should be reviewed by reviewed first by those that know it
-/helm/ @cneill @kiblik @Maffooch
-# Anything UI related needs to be checked out by those with the eye for it
-/dojo/static/ @blakeaowens @Maffooch
-/dojo/templates/ @blakeaowens @Maffooch
-# Any model changes should be closely looked at
-/dojo/models.py @Maffooch
+/docs/content/ @paulOsinski @Maffooch
 # All other code changes should be reviewed by someone
-* @Maffooch @mtesauro
+* @Maffooch @blakeaowens