Remove explicit interface versions of dartdoc files.

lib/html/doc/interface/SVGLength.dartdoc

Index: lib/html/doc/interface/SVGLength.dartdoc
diff --git a/lib/html/doc/interface/SVGLength.dartdoc b/lib/html/doc/interface/SVGLength.dartdoc
deleted file mode 100644
index b012e59b5a7d1cdc7d1a3b6434942e4591294c69..0000000000000000000000000000000000000000
--- a/lib/html/doc/interface/SVGLength.dartdoc
+++ /dev/null
@@ -1,51 +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 SVGLength
-interface SVGLength {
-
-  static final int SVG_LENGTHTYPE_CM = 6;
-
-  static final int SVG_LENGTHTYPE_EMS = 3;
-
-  static final int SVG_LENGTHTYPE_EXS = 4;
-
-  static final int SVG_LENGTHTYPE_IN = 8;
-
-  static final int SVG_LENGTHTYPE_MM = 7;
-
-  static final int SVG_LENGTHTYPE_NUMBER = 1;
-
-  static final int SVG_LENGTHTYPE_PC = 10;
-
-  static final int SVG_LENGTHTYPE_PERCENTAGE = 2;
-
-  static final int SVG_LENGTHTYPE_PT = 9;
-
-  static final int SVG_LENGTHTYPE_PX = 5;
-
-  static final int SVG_LENGTHTYPE_UNKNOWN = 0;
-
-  /** @domName SVGLength.unitType */
-  final int unitType;
-
-  /** @domName SVGLength.value */
-  num value;
-
-  /** @domName SVGLength.valueAsString */
-  String valueAsString;
-
-  /** @domName SVGLength.valueInSpecifiedUnits */
-  num valueInSpecifiedUnits;
-
-  /** @domName SVGLength.convertToSpecifiedUnits */
-  void convertToSpecifiedUnits(int unitType);
-
-  /** @domName SVGLength.newValueSpecifiedUnits */
-  void newValueSpecifiedUnits(int unitType, num valueInSpecifiedUnits);
-}