Remove default override for policy_file option #881

Job	Run time
check (build)	44s
doc (docs)	1m 45s
check (pep8)	38s
doc (docs-gnocchi-web)	1m 34s
test (py39, postgresql-file-upgrade-from-4.5)	2m 51s
test (py39, mysql-file)	3m 3s
test (py39, mysql-file-sqlalchemy14)	3m 0s
test (py39, mysql-swift)	3m 30s
test (py39, mysql-s3)	3m 55s
test (py39, postgresql-file)	2m 53s
test (py39, postgresql-file-sqlalchemy14)	2m 56s
test (py39, postgresql-swift)	3m 18s
test (py39, postgresql-s3)	3m 28s
test (py311, postgresql-file-upgrade-from-4.5)	2m 44s
test (py311, mysql-file)	2m 54s
test (py311, mysql-file-sqlalchemy14)	7m 41s
test (py311, mysql-swift)	3m 15s
test (py311, mysql-s3)	3m 43s
test (py311, postgresql-file)	2m 46s
test (py311, postgresql-file-sqlalchemy14)	2m 37s
test (py311, postgresql-swift)	3m 5s
test (py311, postgresql-s3)	3m 29s
test (py312, mysql-ceph-upgrade-from-4.5)	2m 42s
test (py312, postgresql-file-upgrade-from-4.5)	2m 38s
test (py312, mysql-file)	3m 1s
test (py312, mysql-file-sqlalchemy14)	2m 54s
test (py312, mysql-swift)	3m 20s
test (py312, mysql-s3)	3m 48s
test (py312, postgresql-file)	2m 41s
test (py312, postgresql-file-sqlalchemy14)	2m 42s
test (py312, postgresql-swift)	3m 6s
test (py312, postgresql-s3)	3m 25s
	1h 36m 6s

Provide feedback