[wasm] Remove the use of the "external" bit on OldFunctions section.

test/cctest/wasm/wasm-run-utils.h

Index: test/cctest/wasm/wasm-run-utils.h
diff --git a/test/cctest/wasm/wasm-run-utils.h b/test/cctest/wasm/wasm-run-utils.h
index d6dd893064d71627f332fa42393ae090e1545713..d3876a75cf695a5a7bb57fe079296e1d0ef1913b 100644
--- a/test/cctest/wasm/wasm-run-utils.h
+++ b/test/cctest/wasm/wasm-run-utils.h
@@ -168,8 +168,7 @@ class TestingModule : public ModuleEnv {
       module->functions.reserve(kMaxFunctions);
     }
     uint32_t index = static_cast<uint32_t>(module->functions.size());
-    module->functions.push_back(
-        {sig, index, 0, 0, 0, 0, 0, 0, 0, 0, 0, false, false});
+    module->functions.push_back({sig, index, 0, 0, 0, 0, 0, 0, 0, 0, 0, false});
     instance->function_code.push_back(code);
     DCHECK_LT(index, kMaxFunctions);  // limited for testing.
     return index;