Removed Canvas:clear. love.graphics.clear now accepts r,g,b,a values (and defaults to 0,0,0,0 with no arguments given.) love.graphics.clear clears the content of the currently active Canvas(es.)

--HG--
branch : minor

src/modules/graphics/opengl/OpenGL.h

@@ -198,16 +198,6 @@ public:
 	 **/
 	Color getColor() const;
 
-	/**
-	 * Sets the current clear color for all framebuffer objects.
-	 **/
-	void setClearColor(const Color &c);
-
-	/**
-	 * Gets the current clear color.
-	 **/
-	Color getClearColor() const;
-
 	/**
 	 * Sets the OpenGL rendering viewport to the specified rectangle.
 	 * The y-coordinate starts at the top.
@@ -356,8 +346,6 @@ private:
 		// Current constant color.
 		Color color;
 
-		Color clearColor;
-
 		// Texture unit state (currently bound texture for each texture unit.)
 		std::vector<GLuint> boundTextures;