remvoe debug printf

git-svn-id: http://svn.net-core.org/repos/t-engine4@33 51575b47-30f0-44d4-a5cc-537603b46e54

src/core_lua.c

@@ -79,7 +79,6 @@ static int lua_free_fov(lua_State *L)
 	luaL_unref(L, LUA_REGISTRYINDEX, fov->opaque_ref);
 	luaL_unref(L, LUA_REGISTRYINDEX, fov->map_ref);
 	lua_pushnumber(L, 1);
-	printf("fov gc\n");
 	return 1;
 }