chore: clean up code owners
# /master/internal/scheduler/
# Provisioner
-/master/internal/provisioner/ @shiyuann
+/master/internal/provisioner/
# Model registry
#/master/pkg/model
# /agent/
# Harness, container
-/harness/ @shiyuann
+/harness/
# D-train
# /harness/determined/horovod.py
