[llvm] [AMDGPU] Testing cleanup in prep for true16 test upstreaming (PR #209888)

[Domenic Nutile via llvm-commits]

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@@ -146,33 +146,6 @@ define amdgpu_kernel void @fadd_f16(
 ; GFX11-FAKE16-GISEL-NEXT:    s_mov_b64 s[2:3], s[10:11]
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saxlungs wrote:

I could be missing something but it seems legit to me. I even tried manually removing and then regenerating the file and it returned. It should be being generated by the runline on line 7

https://github.com/llvm/llvm-project/pull/209888