[InstCombine] remove fptrunc (select) code; NFCI

This pattern is handled within commonCastTransforms(),
so the code here is dead AFAICT.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@332887 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed