Remove BBM that cannot function post Sec Decomposition

.rubocop_todo/lint/redundant_cop_disable_directive.yml

.rubocop_todo/style/inline_disable_annotation.yml

...ons/backfill_has_merge_request_of_vulnerability_reads.yml

...ueue_backfill_has_merge_request_of_vulnerability_reads.rb

...lize_backfill_has_merge_request_of_vulnerability_reads.rb

...20240724182445_update_finish_status_for_bbm_migrations.rb

db/schema_migrations/20230907155247

db/schema_migrations/20240422232001

...tion/backfill_has_merge_request_of_vulnerability_reads.rb

...backfill_has_merge_request_of_vulnerability_reads_spec.rb

...backfill_has_merge_request_of_vulnerability_reads_spec.rb