Revert r313782 "[TableGen] Add a DenseMapInfo for MachineValueType."

We aren't making a DenseSet/DenseMap of MVT anywhere. This was added due to an earlier revision of D37957.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@313858 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed