[Misched]: Remove double call getMicroOpFactor.NFC.

Reviewed by: @MatzeB
Differential Revision: https://reviews.llvm.org/D38176



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@314296 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed