Revert "[Stackmaps] Record the stack size of each function that contains a stackmap/patchpoint intrinsic."

This reverts commit r200444 to unbreak buildbots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200445 91177308-0d34-0410-b5e6-96231b3b80d8