[wasm] Simplify function name decoding in module-decoder.cc

Change-Id: I66043e0e251ad3214a0d695434c2850caac96c69
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2521145Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Manos Koukoutos <manoskouk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#71049}

src/wasm/module-decoder.cc

@@ -2448,14 +2448,8 @@ void DecodeFunctionNames(const byte* module_start, const byte* module_end,
 
   // Extract from export table.
   for (const WasmExport& exp : export_table) {
-    switch (exp.kind) {
-      case kExternalFunction:
-        if (names->count(exp.index) == 0) {
-          names->insert(std::make_pair(exp.index, exp.name));
-        }
-        break;
-      default:
-        break;
+    if (exp.kind == kExternalFunction && names->count(exp.index) == 0) {
+      names->insert(std::make_pair(exp.index, exp.name));
     }
   }
 }