Removing duplicate setCanvasStyle method.

Thanks @jorix for catching this (see #238).

lib/OpenLayers/Renderer/Canvas.js

@@ -434,28 +434,6 @@ OpenLayers.Renderer.Canvas = OpenLayers.Class(OpenLayers.Renderer, {
         }
     },
     
-    /**
-     * Method: setCanvasStyle
-     * Prepare the canvas for drawing by setting various global settings.
-     *
-     * Parameters:
-     * type - {String} one of 'stroke', 'fill', or 'reset'
-     * style - {Object} Symbolizer hash
-     */
-    setCanvasStyle: function(type, style) {
-        if (type === "fill") {     
-            this.canvas.globalAlpha = style['fillOpacity'];
-            this.canvas.fillStyle = style['fillColor'];
-        } else if (type === "stroke") {  
-            this.canvas.globalAlpha = style['strokeOpacity'];
-            this.canvas.strokeStyle = style['strokeColor'];
-            this.canvas.lineWidth = style['strokeWidth'];
-        } else {
-            this.canvas.globalAlpha = 0;
-            this.canvas.lineWidth = 1;
-        }
-    },
-    
     /**
      * Method: featureIdToHex
      * Convert a feature ID string into an RGB hex string.