[llvm] [AMDGPU][test] fix the error case in update_mc_test_check script (PR #112731)

[Ivan Kosarev via llvm-commits]

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@@ -15,15 +15,14 @@
 
 mc_LIKE_TOOLS = [
     "llvm-mc",
-    "not llvm-mc",
 ]
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kosarev wrote:

Looks like `mc_LIKE_TOOLS` is not needed anymore?

https://github.com/llvm/llvm-project/pull/112731