force_full rsync publish is done unnecessarily in some cases
A full rsync publish is done when some criteria are met (defined in https://github.com/pulp/pulp/blob/2-master/server/pulp/plugins/rsync/publish.py#L373). Some of the criteria don't need a full rsync publish to make the right content published to rsync distributor:
- When there's units removal since last rsync publish
- When there's predistributor publish failure since last rsync publish
Since it takes longer time to do full publish, especially for big repos containing lots of units, unnecessary full publish should be avoided by removing above criteria.