Revert "Reorder FindPythonInterp so that config-ix can use PYTHON_EXECUTABLE"

This reverts commit rL346367 due to test error in compiler-rt.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@346383 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed