Remove explicit interface versions of dartdoc files.

lib/html/doc/interface/SVGTransform.dartdoc

-// 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 SVGTransform
-interface SVGTransform {
-
-  static final int SVG_TRANSFORM_MATRIX = 1;
-
-  static final int SVG_TRANSFORM_ROTATE = 4;
-
-  static final int SVG_TRANSFORM_SCALE = 3;
-
-  static final int SVG_TRANSFORM_SKEWX = 5;
-
-  static final int SVG_TRANSFORM_SKEWY = 6;
-
-  static final int SVG_TRANSFORM_TRANSLATE = 2;
-
-  static final int SVG_TRANSFORM_UNKNOWN = 0;
-
-  /** @domName SVGTransform.angle */
-  final num angle;
-
-  /** @domName SVGTransform.matrix */
-  final SVGMatrix matrix;
-
-  /** @domName SVGTransform.type */
-  final int type;
-
-  /** @domName SVGTransform.setMatrix */
-  void setMatrix(SVGMatrix matrix);
-
-  /** @domName SVGTransform.setRotate */
-  void setRotate(num angle, num cx, num cy);
-
-  /** @domName SVGTransform.setScale */
-  void setScale(num sx, num sy);
-
-  /** @domName SVGTransform.setSkewX */
-  void setSkewX(num angle);
-
-  /** @domName SVGTransform.setSkewY */
-  void setSkewY(num angle);
-
-  /** @domName SVGTransform.setTranslate */
-  void setTranslate(num tx, num ty);
-}