Remove the -webkit-transition media feature (PrefixedTransitionMediaFeature)

Source/core/frame/UseCounter.cpp

Index: Source/core/frame/UseCounter.cpp
diff --git a/Source/core/frame/UseCounter.cpp b/Source/core/frame/UseCounter.cpp
index 4ef34b846abef92a4b0b709e67965e859719a7b2..503be9613d916b9fee0535e6cccb991bc9c2a73e 100644
--- a/Source/core/frame/UseCounter.cpp
+++ b/Source/core/frame/UseCounter.cpp
@@ -636,9 +636,6 @@ String UseCounter::deprecationMessage(Feature feature)
     case DocumentClear:
         return "document.clear() is deprecated. This method doesn't do anything.";
 
-    case PrefixedTransitionMediaFeature:
-        return "The '(-webkit-transition)' media query feature is deprecated; please consider using the more exact conditional \"@supports('(transition-property: prop_name)')\" instead.";
-
     // Web Components
     case HTMLShadowElementOlderShadowRoot:
         return "HTMLShadowElement.olderShadowRoot is deprecated.";