remove: load config in SQLHandler

Author: sysnote8main

src/main/java/jp/azisaba/lgw/kdstatus/sql/SQLHandler.java

@@ -23,12 +23,6 @@ public class SQLHandler {
     private Connection connection;
     private boolean initialized = false;
 
-    private final String host = KDStatusReloaded.getPlugin().getConfig().getString("host");
-    private final String port = KDStatusReloaded.getPlugin().getConfig().getString("port");;
-    private final String database = KDStatusReloaded.getPlugin().getConfig().getString("database");;
-    private final String user = KDStatusReloaded.getPlugin().getConfig().getString("username");;
-    private final String password = KDStatusReloaded.getPlugin().getConfig().getString("password");;
-
     public SQLHandler(File file){
         this.file = file;
     }