fix GC JPN dol splits / d_a_npc_prayer mostly done (#2488)

* jmessage cleanup pass

* more JMessage cleanup

* d_msg_class cleanup

* fix a bunch of gc jpn dol splits

* d_a_npc_prayer pretty much equivalent

src/d/d_insect.cpp

@@ -9,6 +9,7 @@
 #include "m_Do/m_Do_lib.h"
 #include "dol2asm.h"
 
+#if VERSION == VERSION_GCN_USA
 // This is a HACK to get d_insect data at correct address due to
 // issues with the d_a_obj_item vtable. TODO: fix daItem_c vtable
 #pragma push
@@ -24,6 +25,7 @@ SECTION_DATA extern void* __vt__8daItem_c__HACK[] = {
     NULL,
 };
 #pragma pop
+#endif
 
 /* 8015E010-8015E078 158950 0068+00 0/0 0/0 13/13 .text            __ct__9dInsect_cFv */
 dInsect_c::dInsect_c() {