j_install_db 초기화 코드 정리

hwe/sammo/ResetHelper.php

@@ -8,7 +8,7 @@ class ResetHelper{
 
     }
 
-    static public function clearDB(?\MeekroDB $db = null, ?string $prefix = null):array{
+    static public function clearDB():array{
         $servRoot = realpath(__DIR__.'/../');
 
         if(!file_exists($servRoot.'/logs') || !file_exists($servRoot.'/data')){
@@ -72,15 +72,11 @@ class ResetHelper{
             }
         }
 
-        if($prefix === null){
-            $prefix = DB::prefix();
-        }
+        $prefix = DB::prefix();
 
         ServConfig::getServerList()[$prefix]->closeServer();
 
-        if($db === null){
-            $db = DB::db();
-        }
+        $db = DB::db();
         $mysqli_obj = $db->get();
 
         $serverID = $prefix.'_'.date("ymd").'_'.Util::randomStr(4);