[ia32] Fix build

After https://crrev.com/c/3787682

Bug: v8:11325
Change-Id: I3dbcd3f8f0be19d9ca9ea2ab239ec1d9e902bd9c
No-Try: true
No-Presubmit: true
No-Tree-Checks: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3789518Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Auto-Submit: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82014}

src/codegen/ia32/macro-assembler-ia32.cc

@@ -797,7 +797,6 @@ void MacroAssembler::AssertGeneratorObject(Register object) {
 
     LoadMap(map, object);
 
-    Label do_check;
     // Check if JSGeneratorObject
     CmpInstanceTypeRange(map, map, map, FIRST_JS_GENERATOR_OBJECT_TYPE,
                          LAST_JS_GENERATOR_OBJECT_TYPE);