Removed love.graphics.get/setPointStyle. ‘rough’ points are now the only possibility (resolves issue #581).

--HG--
branch : minor

src/modules/graphics/opengl/wrap_Graphics.h

@@ -81,9 +81,7 @@ int w_getLineWidth(lua_State *L);
 int w_getLineStyle(lua_State *L);
 int w_getLineJoin(lua_State *L);
 int w_setPointSize(lua_State *L);
-int w_setPointStyle(lua_State *L);
 int w_getPointSize(lua_State *L);
-int w_getPointStyle(lua_State *L);
 int w_getMaxPointSize(lua_State *L);
 int w_newScreenshot(lua_State *L);
 int w_setCanvas(lua_State *L);