removed code moved to new MR

...i_patterns_error/list_subscribers_account_error.orig.json

...pi_patterns_error/list_subscribers_account_error.pat.json

...patterns_error/list_subscribers_account_error_v2.pat.json

...bridge_api_patterns_error/list_subscribers_error.pat.json

...i_patterns_error/post_notifications_author_error.pat.json

...pi_patterns_error/post_notifications_empty_error.pat.json

...i_patterns_error/post_notifications_empty_params.pat.json

...i_patterns_error/post_notifications_only_account.pat.json

hivemind/tavern/test_bridge_api_patterns.tavern.yaml

hivemind/tavern/test_bridge_api_patterns_error.tavern.yaml