fixup! AMDGPU: Fix assert when multi operands to update after folding imm

Author: macurtis-amd

llvm/test/CodeGen/AMDGPU/bug-multi-operands-to-update-after-fold.mir

@@ -1,10 +1,5 @@
 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
 # RUN: llc -mtriple=amdgcn-amd-hsa -mcpu=gfx1031 -run-pass=si-fold-operands -o - %s | FileCheck %s
---- |
-  define void @snork() {
-    ret void
-  }
-...
 ---
 name: snork
 body:  |