Remove the versions of #clone() that follow the scheme provided by Base#clone() now.

src/basic/Rectangle.js

@@ -158,10 +158,6 @@ var Rectangle = this.Rectangle = Base.extend({
 		return this.setCenterX(point.x).setCenterY(point.y);
 	},
 
-	clone: function() {
-		return new Rectangle(this);
-	},
-
 	equals: function(rect) {
 		rect = Rectangle.read(arguments);
 		return this.x == rect.x && this.y == rect.y

src/item/PathStyle.js

@@ -39,10 +39,6 @@ var PathStyle = this.PathStyle = Base.extend(new function() {
 			}
 		},
 
-		clone: function() {
-			return new PathStyle(this);
-		},
-
 		statics: {
 			create: function(item) {
 				var style = new PathStyle(PathStyle.dont);

src/path/Segment.js

@@ -221,10 +221,6 @@ var Segment = this.Segment = Base.extend({
 		return new Segment(this._point, this._handleOut, this._handleIn);
 	},
 
-	clone: function() {
-		return new Segment(this);
-	},
-
 	remove: function() {
 		return this._path ? !!this._path.removeSegment(this._index) : false;
 	},