PAHMA-630: Move claim idgenerator into load_id_generators.sql in its new location.
PAHMA-630: Remove customizations from load_id_generators.sql scripts in services/id/service, since these are no longer used.
CSPACE-5813: RunSqlScript init handler now can run multiple scripts, each specified as a property in services tenant bindings configuration.
CSPACE-5813: Renamed class to reflect ability to run multiple scripts.