fix: check in new structure.sql from contrast_mode migration
fix: check in new personas dump from contrast_mode migration
Remove jenkings ci aggregation support #CLEANUP
Remove SQLHelper module #CLEANUP

... which seems not to be used anymore
Remove bypass login in development mode #CLEANUP

... not used anymore
Remove admin/setup_controller #CLEANUP

There is no route hitting this controller.
Move LDAP related methods into LdapHelper module #CLEANUP
Remove development_helper and "minimal metadata"  #CLEANUP

minimal metadata is not used since ages