gl: remove built-in 3D object draw methods

gtkglext removed them.

lib/rabbit/renderer/gl.rb

@@ -22,73 +22,6 @@ def draw_slide(slide, simulation, &block)
         end
       end
 
-      def draw_cube(filled, x, y, z, size, color=nil, &block)
-        return super unless gl_available?
-        draw_gl(x, y, z, color, block) do
-          ::Gdk::GL.draw_cube(filled, size)
-        end
-      end
-
-      def draw_sphere(filled, x, y, z, radius, slices, stacks,
-                      color=nil, &block)
-        return super unless gl_available?
-        draw_gl(x, y, z, color, block) do
-          ::Gdk::GL.draw_sphere(filled, radius, slices, stacks)
-        end
-      end
-
-      def draw_cone(filled, x, y, z, base, height, slices, stacks,
-                    color=nil, &block)
-        return super unless gl_available?
-        draw_gl(x, y, z, color, block) do
-          ::Gdk::GL.draw_cone(filled, base, height, slices, stacks)
-        end
-      end
-
-      def draw_torus(filled, x, y, z, inner_radius, outer_radius,
-                     n_sides, rings, color=nil, &block)
-        return super unless gl_available?
-        draw_gl(x, y, z, color, block) do
-          ::Gdk::GL.draw_torus(filled, inner_radius,
-                             outer_radius, n_sides, rings)
-        end
-      end
-
-      def draw_tetrahedron(filled, x, y, z, color=nil, &block)
-        return super unless gl_available?
-        draw_gl(x, y, z, color, block) do
-          ::Gdk::GL.draw_tetrahedron(filled)
-        end
-      end
-
-      def draw_octahedron(filled, x, y, z, color=nil, &block)
-        return super unless gl_available?
-        draw_gl(x, y, z, color, block) do
-          ::Gdk::GL.draw_octahedron(filled)
-        end
-      end
-
-      def draw_dodecahedron(filled, x, y, z, color=nil, &block)
-        return super unless gl_available?
-        draw_gl(x, y, z, color, block) do
-          ::Gdk::GL.draw_dodecahedron(filled)
-        end
-      end
-
-      def draw_icosahedron(filled, x, y, z, color=nil, &block)
-        return super unless gl_available?
-        draw_gl(x, y, z, color, block) do
-          ::Gdk::GL.draw_icosahedron(filled)
-        end
-      end
-
-      def draw_teapot(filled, x, y, z, scale, color=nil, &block)
-        return super unless gl_available?
-        draw_gl(x, y, z, color, block) do
-          ::Gdk::GL.draw_teapot(filled, scale)
-        end
-      end
-
       def gl_compile(id)
         return super unless gl_available?
         ::GL.NewList(id, ::GL::COMPILE)