[X86] Update bool_reduction_v8f32 test cases from vector-compare-any_of.ll and...

[X86] Update bool_reduction_v8f32 test cases from vector-compare-any_of.ll and vector-compare-all_of.ll to be proper reductions.

One of the shuffles was used twice. While the intended shuffle wasn't connected.

llvm-svn: 358346