chore: remove myself from CODEOWNERS (#11557)

Author: eliben

.github/CODEOWNERS

@@ -19,7 +19,7 @@
 /logging/               @googleapis/api-logging @googleapis/api-logging-partners @googleapis/yoshi-go-admins
 /profiler/              @googleapis/api-profiler @googleapis/yoshi-go-admins
 /vertexai/              @googleapis/go-vertexai @googleapis/yoshi-go-admins
-/internal/protoveneer/  @googleapis/yoshi-go-admins @jba @eliben
+/internal/protoveneer/  @googleapis/yoshi-go-admins @jba
 
 # individual release versions manifest is unowned (to avoid notifying every team)
 .release-please-manifest-individual.json