[llvm] [SimplifyCFG] Delete the unnecessary range check for small mask operation (PR #65835)

[Nikita Popov via llvm-commits]

================
@@ -0,0 +1,33 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --scrub-attributes
----------------
nikic wrote:

`--scrub-attributes` looks irrelevant here.

https://github.com/llvm/llvm-project/pull/65835