[llvm] [TableGen] Eliminate static CodeGenIntrinsicMap in PatternParser (PR #107339)

[Rahul Joshi via llvm-commits]

jurahul wrote:

> This could possibly go in CodeGenTarget, though technically the intrinsics are always defined and not actually connected to the target

Let me look into this. I think that will cover both PatternParser and SearchableTables use case.

https://github.com/llvm/llvm-project/pull/107339