Remove dead code in custom geo and bhv functions

- Custom geo asm and custom behaviors were meant to use any non-local
  function from any active mod, but the condition for it was always
  false (gSmLuaConvertSuccess is never set to false and funcRef is not
  checked)
- By default, they should NOT be able to retrieve anything from other mods
- Even without this condition, they are still allowed to use any
  function exposed to _G

Approved by Isaac.

src/engine/behavior_script.c

@@ -1004,12 +1004,6 @@ static s32 bhv_cmd_call_native_ext(void) {
 
     gSmLuaConvertSuccess = true;
     LuaFunction funcRef = smlua_get_function_mod_variable(modIndex, funcStr);
-
-    if (!gSmLuaConvertSuccess) {
-        gSmLuaConvertSuccess = true;
-        funcRef = smlua_get_any_function_mod_variable(funcStr);
-    }
-
     if (!gSmLuaConvertSuccess || funcRef == 0) {
         LOG_LUA("Failed to call lua behavior function, could not find lua function '%s'", funcStr);
         gCurBhvCommand += 2;

src/game/mario_misc.c

@@ -890,10 +890,6 @@ Gfx *geo_process_lua_function(s32 callContext, struct GraphNode *node, UNUSED Ma
     // Retrieve function ref
     gSmLuaConvertSuccess = true;
     LuaFunction funcRef = smlua_get_function_mod_variable(modIndex, funcStr);
-    if (!gSmLuaConvertSuccess) {
-        gSmLuaConvertSuccess = true;
-        funcRef = smlua_get_any_function_mod_variable(funcStr);
-    }
     if (!gSmLuaConvertSuccess || funcRef == 0) {
         LOG_LUA("Failed to call lua geo function, could not find lua function '%s'", funcStr);
         return NULL;