On DataLayout, omit the default of p:64:64:64.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197397 91177308-0d34-0410-b5e6-96231b3b80d8
Don't duplicate the DataLayout defaults for integer, floats and vectors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197398 91177308-0d34-0410-b5e6-96231b3b80d8