Remove dead code from HTMLElement::parseAttribute

Source/core/html/HTMLElement.cpp

Index: Source/core/html/HTMLElement.cpp
diff --git a/Source/core/html/HTMLElement.cpp b/Source/core/html/HTMLElement.cpp
index 7c61629b0903a8e83b01f3e062cd6c7a20cb956c..0d6b2ea6c7e38cfada5470a5db7fce68a20f510d 100644
--- a/Source/core/html/HTMLElement.cpp
+++ b/Source/core/html/HTMLElement.cpp
@@ -299,9 +299,6 @@ const AtomicString& HTMLElement::eventNameForAttributeName(const QualifiedName&
 
 void HTMLElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
 {
-    if (isIdAttributeName(name) || name == classAttr || name == styleAttr)
-        return Element::parseAttribute(name, value);
-
     if (name == dirAttr)
         dirAttributeChanged(value);
     else if (name == tabindexAttr) {