Make World:raycast sync for now;

Author: bjornbytes

src/api/l_physics.c

@@ -372,7 +372,6 @@ int luaopen_lovr_physics(lua_State* L) {
   luax_registertype(L, DistanceJoint);
   luax_registertype(L, HingeJoint);
   luax_registertype(L, SliderJoint);
-  luax_registerasync(L, World);
   lovrPhysicsInit(luax_unref);
   luax_atexit(L, lovrPhysicsDestroy);
   return 1;

src/api/l_physics_world.c

@@ -708,8 +708,3 @@ const luaL_Reg lovrWorld[] = {
 
   { NULL, NULL }
 };
-
-const char* lovrWorldAsync[] = {
-  "raycast",
-  NULL
-};