Fix the comment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187984 91177308-0d34-0410-b5e6-96231b3b80d8
Remove the now redundant FeatureFP16 from the Cortex-A15 feature list. It was made redundant when FeatureVFP4 was added which implies FP16.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187985 91177308-0d34-0410-b5e6-96231b3b80d8
Use pop_back() instead of pop_back_val() when the returned value is not used.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187986 91177308-0d34-0410-b5e6-96231b3b80d8