[wasm] [cleanup] Delete comment

This CL just deletes an outdated comment.

Bug: v8:10933
Change-Id: I9f876b4c27634a804c74b33c0f82514c2234480f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2450017
Commit-Queue: Vicky Kontoura <vkont@google.com>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70356}

src/wasm/function-compiler.cc

@@ -267,7 +267,6 @@ void WasmCompilationUnit::CompileWasmFunction(Isolate* isolate,
 
 namespace {
 bool UseGenericWrapper(const FunctionSig* sig) {
-// Work only for int32 parameters and 1 or 0 return value for now.
 #if V8_TARGET_ARCH_X64
   if (sig->returns().size() > 1) {
     return false;