Sohail/fix codeowners (#1701)

Co-authored-by: Julio Perez <37191411+jperez999@users.noreply.github.com>
Co-authored-by: Edward Kim <109497216+edknv@users.noreply.github.com>
Co-authored-by: Jeremy Dyer <jdye64@gmail.com>
Co-authored-by: Kurt Heiss <kheiss@nvidia.com>
Co-authored-by: nkmcalli <nmcallister@nvidia.com>

Author: 6 people

.github/CODEOWNERS

@@ -9,5 +9,4 @@ examples/                @NVIDIA/nv-ingest-docs
 .ci/                     @NVIDIA/nv-ingest-ops
 
 # Global owners (required for all PRs)
-*                        @NVIDIA/nv-ingest-maintainers
-*                        @NVIDIA/nemo-retriever-research
+*                        @NVIDIA/nv-ingest-maintainers @NVIDIA/nemo-retriever-research