[llvm] [X86] Remove TuningPOPCNTFalseDeps from AlderLake (PR #154004)

[via llvm-commits]

sharkautarch wrote:

@ms178 afaik, ADLTuning doesn’t have TuningLZCNTFalseDeps in the first place, since SKLTuning doesn’t have that either:
https://github.com/llvm/llvm-project/blob/66a2d1b7580aab8ac2c171647c39fd85fe711013/llvm/lib/Target/X86/X86.td#L981
And to answer your question about whether Alderlake has lzcnt/tzcnt false deps: it’s the same as with popcnt: only for r/m16

https://github.com/llvm/llvm-project/pull/154004