One SchemaSet per moduleSetTag

One SchemaSet per moduleSetTag

- Registration: create and upgrade cases.
- Handle moduleSetTag deletion (all orphans) for testware
- Unit tests updated
- additional logging of details for upgrade scenarios
- Integration Tests updated
- Remove cache for module sets being processed
- Removed DbCleaner (startup)
- Removed redundant methods in NCMP Inventory for deleting schema set(s)
- Removed validation check for all schema set interactions
- Updated some schema set tests to use special characters previously not allowed
- Checked integration test scenarios for upgrades with and without tags: all scenarios covered!

TODO
- REST endpoint to remove orphaned schema set data, separate story: CPS-2554
- Investigate exception handling regarding DuplicateYangResourceException: CPS-2555

Issue-ID: CPS-2540
Signed-off-by: ToineSiebelink <toine.siebelink@est.tech>
Change-Id: Iaa59cbdb86b7a4a8044624829bc002506ff40cc7