Partial revert of r353952: [HIP] Handle compile -m options and propagate into LLC

Remove comments and tests about passing -mcode-object-v3 to driver since it does
not work. Other -m options are OK.

Also put back -mattr=-code-object-v3 since HIP is still not ready for code object
v3.

Differential Revision: https://reviews.llvm.org/D57977

llvm-svn: 355106