Ignore H101 rule

It doesn't seem to provide any benefit and is also removed from cinder
project.
For detailed reason, please look into the commit message of the cinder
patch[1].

[1] https://opendev.org/openstack/cinder/commit/b0a56ddd252670dadb2c5e3eb0b03bfc7f93623d

Change-Id: I9a7749288706c8b326c1acd0cef6edd5ea91503e
1 file changed