IDL: Remove UNLIKELY() from constructor

Source/bindings/tests/results/V8TestTypedefs.cpp

Index: Source/bindings/tests/results/V8TestTypedefs.cpp
diff --git a/Source/bindings/tests/results/V8TestTypedefs.cpp b/Source/bindings/tests/results/V8TestTypedefs.cpp
index ab08f732aad235b82b9a063b484d79927bdee3f3..46c74fd63d8de51a88575a57f5284b84aaa1b1e4 100644
--- a/Source/bindings/tests/results/V8TestTypedefs.cpp
+++ b/Source/bindings/tests/results/V8TestTypedefs.cpp
@@ -267,7 +267,7 @@ static void stringArrayMethodStringArrayArgMethodCallback(const v8::FunctionCall
 
 static void constructor(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    if (UNLIKELY(info.Length() < 1)) {
+    if (info.Length() < 1) {
         throwMinimumArityTypeErrorForConstructor("TestTypedefs", 1, info.Length(), info.GetIsolate());
         return;
     }