Remove explicit interface versions of dartdoc files.

lib/html/doc/interface/SVGFEMorphologyElement.dartdoc

Index: lib/html/doc/interface/SVGFEMorphologyElement.dartdoc
diff --git a/lib/html/doc/interface/SVGFEMorphologyElement.dartdoc b/lib/html/doc/interface/SVGFEMorphologyElement.dartdoc
deleted file mode 100644
index 4763442e95fc10bac314739ba4044799a812f818..0000000000000000000000000000000000000000
--- a/lib/html/doc/interface/SVGFEMorphologyElement.dartdoc
+++ /dev/null
@@ -1,32 +0,0 @@
-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// WARNING:
-//   This file contains documentation that is merged into the real source.
-//   Do not make code changes here.
-
-/// @domName SVGFEMorphologyElement
-interface SVGFEMorphologyElement extends SVGElement, SVGFilterPrimitiveStandardAttributes {
-
-  static final int SVG_MORPHOLOGY_OPERATOR_DILATE = 2;
-
-  static final int SVG_MORPHOLOGY_OPERATOR_ERODE = 1;
-
-  static final int SVG_MORPHOLOGY_OPERATOR_UNKNOWN = 0;
-
-  /** @domName SVGFEMorphologyElement.in1 */
-  final SVGAnimatedString in1;
-
-  /** @domName SVGFEMorphologyElement.operator */
-  final SVGAnimatedEnumeration operator;
-
-  /** @domName SVGFEMorphologyElement.radiusX */
-  final SVGAnimatedNumber radiusX;
-
-  /** @domName SVGFEMorphologyElement.radiusY */
-  final SVGAnimatedNumber radiusY;
-
-  /** @domName SVGFEMorphologyElement.setRadius */
-  void setRadius(num radiusX, num radiusY);
-}