Moved the InnoDB related tests to innodb_mysql


mysql-test/r/group_min_max.result:
  Moved innodb related tests out of group_min_max
mysql-test/r/innodb_mysql.result:
  Moved innodb related tests out of group_min_max
mysql-test/t/group_min_max.test:
  Moved innodb related tests out of group_min_max
mysql-test/t/innodb_mysql.test:
  Moved innodb related tests out of group_min_max