[llvm] [AMDGPU] Remove dead check lines from tests (NFC) (PR #228002)

[Arseniy Obolenskiy via llvm-commits]

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@@ -70,7 +70,6 @@ body:             |
   ; GCN-NEXT:   SI_END_CF [[SI_ELSE]], implicit-def dead $exec, implicit-def dead $scc, implicit $exec
   ; GCN-NEXT:   DBG_VALUE_LIST !4, !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_constu, 2712, DW_OP_mul, DW_OP_plus, DW_OP_plus_uconst, 2680, DW_OP_stack_value), [[GLOBAL_LOAD_DWORDX2_]], 0, debug-location !DILocation(line: 0, scope: !5)
   ; GCN-NEXT:   SI_RETURN
-  ; GCN-NEXT-SAME: %9
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aobolensk wrote:

IDK, I see no operands in fact

https://github.com/llvm/llvm-project/pull/228002