Removed DARTIUM codegen for IDLS (sdk/lib/dartium)

tools/dom/templates/html/impl/impl_SVGCursorElement.darttemplate

Index: tools/dom/templates/html/impl/impl_SVGCursorElement.darttemplate
diff --git a/tools/dom/templates/html/impl/impl_SVGCursorElement.darttemplate b/tools/dom/templates/html/impl/impl_SVGCursorElement.darttemplate
index 9983a3ef0c4110254eebcf7b208e24487a3b1f77..05179101a261400dea80128f8558ae40b14e95d8 100644
--- a/tools/dom/templates/html/impl/impl_SVGCursorElement.darttemplate
+++ b/tools/dom/templates/html/impl/impl_SVGCursorElement.darttemplate
@@ -7,13 +7,5 @@ part of $LIBRARYNAME;
 @DocsEditable()
 $(ANNOTATIONS)$(NATIVESPEC)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS {
 $!MEMBERS
-$if DARTIUM
-  // Override these methods for Dartium _SVGCursorElement can't be abstract.
-  StringList get requiredExtensions => _blink.BlinkSVGCursorElement.instance.requiredExtensions_Getter_(this);
-  StringList get requiredFeatures => _blink.BlinkSVGCursorElement.instance.requiredFeatures_Getter_(this);
-  StringList get systemLanguage => _blink.BlinkSVGCursorElement.instance.systemLanguage_Getter_(this);
-  AnimatedString get href => _blink.BlinkSVGCursorElement.instance.href_Getter_(this);
-  bool hasExtension(String extension) => _blink.BlinkSVGCursorElement.instance.hasExtension_Callback_1_(this, extension);
-$endif
 }