Revert "MergeFuncs: Transfer the function parameter attributes to the call site"

It is okay to not transfer parameter attributes.

This reverts commit r242558.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242646 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed