builds on mac again

revert some useless ifdefs

rm TARGET_PC in the wrong place

remove stubbed version of functions

src/d/actor/d_a_npc_zelRo.cpp

@@ -241,7 +241,7 @@ int daNpc_ZelRo_c::CreateHeap() {
     for (u16 i = 0; i < mdlData_p->getJointNum(); i++) {
         mdlData_p->getJointNodePointer(i)->setCallBack(ctrlJointCallBack);
     }
-    model->setUserArea((u32)this);
+    model->setUserArea((uintptr_t)this);
 
     for (int i = 0; i < 2; i++) {
         mpMatAnm[i] = new daNpcT_MatAnm_c();