MDEV-16580 Remove unused monitor counters from InnoDB

Remove one totally dead monitor.

mysql-test/suite/innodb/r/innodb_skip_innodb_is_tables.result

@@ -182,7 +182,6 @@ trx_nl_ro_commits	transaction	0	NULL	NULL	NULL	0	NULL	NULL	NULL	NULL	NULL	NULL	N
 trx_commits_insert_update	transaction	0	NULL	NULL	NULL	0	NULL	NULL	NULL	NULL	NULL	NULL	NULL	disabled	counter	Number of transactions committed with inserts and updates
 trx_rollbacks	transaction	0	NULL	NULL	NULL	0	NULL	NULL	NULL	NULL	NULL	NULL	NULL	disabled	counter	Number of transactions rolled back
 trx_rollbacks_savepoint	transaction	0	NULL	NULL	NULL	0	NULL	NULL	NULL	NULL	NULL	NULL	NULL	disabled	counter	Number of transactions rolled back to savepoint
-trx_rollback_active	transaction	0	NULL	NULL	NULL	0	NULL	NULL	NULL	NULL	NULL	NULL	NULL	disabled	counter	Number of resurrected active transactions rolled back
 trx_active_transactions	transaction	0	NULL	NULL	NULL	0	NULL	NULL	NULL	NULL	NULL	NULL	NULL	disabled	counter	Number of active transactions
 trx_rseg_history_len	transaction	0	NULL	NULL	NULL	0	NULL	NULL	NULL	NULL	NULL	NULL	NULL	disabled	value	Length of the TRX_RSEG_HISTORY list
 trx_undo_slots_used	transaction	0	NULL	NULL	NULL	0	NULL	NULL	NULL	NULL	NULL	NULL	NULL	disabled	counter	Number of undo slots used

mysql-test/suite/innodb/r/monitor.result

@@ -147,7 +147,6 @@ trx_nl_ro_commits	disabled
 trx_commits_insert_update	disabled
 trx_rollbacks	disabled
 trx_rollbacks_savepoint	disabled
-trx_rollback_active	disabled
 trx_active_transactions	disabled
 trx_rseg_history_len	disabled
 trx_undo_slots_used	disabled

storage/innobase/include/srv0mon.h

@@ -299,7 +299,6 @@ enum monitor_id_t {
 	MONITOR_TRX_COMMIT_UNDO,
 	MONITOR_TRX_ROLLBACK,
 	MONITOR_TRX_ROLLBACK_SAVEPOINT,
-	MONITOR_TRX_ROLLBACK_ACTIVE,
 	MONITOR_TRX_ACTIVE,
 	MONITOR_RSEG_HISTORY_LEN,
 	MONITOR_NUM_UNDO_SLOT_USED,

storage/innobase/srv/srv0mon.cc

@@ -796,11 +796,6 @@ static monitor_info_t	innodb_counter_info[] =
 	 MONITOR_NONE,
 	 MONITOR_DEFAULT_START, MONITOR_TRX_ROLLBACK_SAVEPOINT},
 
-	{"trx_rollback_active", "transaction",
-	 "Number of resurrected active transactions rolled back",
-	 MONITOR_NONE,
-	 MONITOR_DEFAULT_START, MONITOR_TRX_ROLLBACK_ACTIVE},
-
 	{"trx_active_transactions", "transaction",
 	 "Number of active transactions",
 	 MONITOR_NONE,