remove a sleep from the test

mysql-test/r/partition_debug_sync.result

@@ -18,7 +18,6 @@ ENGINE = MYISAM
 PARTITION p1 VALUES LESS THAN (20),
 PARTITION p2 VALUES LESS THAN (100),
 PARTITION p3 VALUES LESS THAN MAXVALUE ) */;
-SET SESSION debug_dbug= "+d,sleep_before_create_table_no_lock";
 SET DEBUG_SYNC= 'alter_table_before_create_table_no_lock SIGNAL removing_partitioning WAIT_FOR waiting_for_alter';
 SET DEBUG_SYNC= 'alter_table_before_main_binlog SIGNAL partitioning_removed';
 ALTER TABLE t1 REMOVE PARTITIONING;
@@ -28,7 +27,6 @@ SET DEBUG_SYNC= 'mdl_acquire_lock_wait SIGNAL waiting_for_alter';
 SET DEBUG_SYNC= 'rm_table_no_locks_before_delete_table WAIT_FOR partitioning_removed';
 DROP TABLE IF EXISTS t1;
 # Con 1
-SET SESSION debug_dbug= "-d,sleep_before_create_table_no_lock";
 SET DEBUG_SYNC= 'RESET';
 SET DEBUG_SYNC= 'RESET';
 #

mysql-test/t/partition_debug_sync.test

@@ -30,7 +30,6 @@ ENGINE = MYISAM
  PARTITION p1 VALUES LESS THAN (20),
  PARTITION p2 VALUES LESS THAN (100),
  PARTITION p3 VALUES LESS THAN MAXVALUE ) */;
-SET SESSION debug_dbug= "+d,sleep_before_create_table_no_lock";
 SET DEBUG_SYNC= 'alter_table_before_create_table_no_lock SIGNAL removing_partitioning WAIT_FOR waiting_for_alter';
 SET DEBUG_SYNC= 'alter_table_before_main_binlog SIGNAL partitioning_removed';
 --send ALTER TABLE t1 REMOVE PARTITIONING
@@ -43,7 +42,6 @@ DROP TABLE IF EXISTS t1;
 --echo # Con 1
 connection con1;
 --reap
-SET SESSION debug_dbug= "-d,sleep_before_create_table_no_lock";
 connection default;
 SET DEBUG_SYNC= 'RESET';
 connection con1;

sql/sql_table.cc

@@ -6985,8 +6985,6 @@ bool mysql_alter_table(THD *thd,char *new_db, char *new_name,
     create_info->data_file_name=create_info->index_file_name=0;
 
   DEBUG_SYNC(thd, "alter_table_before_create_table_no_lock");
-  DBUG_EXECUTE_IF("sleep_before_create_table_no_lock",
-                  my_sleep(100000););
   /*
     Create a table with a temporary name.
     With C_ALTER_TABLE_FRM_ONLY this creates a .frm file only and