Revert "HAWQ-322. Fixed DROP TABLESPACE doesnot check sub-object(database/relation) in some cases" because installcheck-good find a new bug after it fixed.
Revert "HAWQ-322. Fixed DROP TABLESPACE doesnot check sub-object(database/relation) in some cases" because installcheck-good find a new bug after it fixed.

This reverts commit ba500a5c05a8518c3c5abc401583a90f8d28f0b7.

outofmem0ry/incubator-hawq,lavjain/incubator-hawq,stanlyxiang/incubator-hawq,stanlyxiang/incubator-hawq,jianlirong/incubator-hawq,cwelton/incubator-hawq,huor/incubator-hawq,jianlirong/incubator-hawq,huor/incubator-hawq,cwelton/incubator-hawq,outofmem0ry/incubator-hawq,wengyanqing/incubator-hawq,lavjain/incubator-hawq,jianlirong/incubator-hawq,outofmem0ry/incubator-hawq,cwelton/incubator-hawq,wengyanqing/incubator-hawq,jianlirong/incubator-hawq,wengyanqing/incubator-hawq,stanlyxiang/incubator-hawq,cwelton/incubator-hawq,lavjain/incubator-hawq,lavjain/incubator-hawq,stanlyxiang/incubator-hawq,huor/incubator-hawq,lavjain/incubator-hawq,cwelton/incubator-hawq,lavjain/incubator-hawq,wengyanqing/incubator-hawq,huor/incubator-hawq,outofmem0ry/incubator-hawq,outofmem0ry/incubator-hawq,wengyanqing/incubator-hawq,huor/incubator-hawq,stanlyxiang/incubator-hawq,stanlyxiang/incubator-hawq,jianlirong/incubator-hawq,outofmem0ry/incubator-hawq,wengyanqing/incubator-hawq,huor/incubator-hawq,huor/incubator-hawq,jianlirong/incubator-hawq,cwelton/incubator-hawq,outofmem0ry/incubator-hawq,outofmem0ry/incubator-hawq,wengyanqing/incubator-hawq,lavjain/incubator-hawq,lavjain/incubator-hawq,jianlirong/incubator-hawq,stanlyxiang/incubator-hawq,jianlirong/incubator-hawq,wengyanqing/incubator-hawq,cwelton/incubator-hawq