"
couple of preparatory changes for coroutinization of manager
"
* 'some_compaction_manager_cleanups_v5' of github.com:raphaelsc/scylla:
compaction_manager: move check_for_cleanup into perform_cleanup()
compaction_manager: replace get_total_size by one liner
compaction_manager: make consistent usage of type and name table
compaction_manager: simplify rewrite_sstables()
compaction_manager: restore indentation