Revert r300811 "[APInt] Add back the asserts that check that the APInt shift methods aren't called with values larger than BitWidth."

This is failing a self host debug build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@300813 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed