Improve Schem performance

SpigotCore_Main/src/de/steamwar/sql/Schematic.java

@@ -103,7 +103,7 @@ public class Schematic {
 
 	public static List<Schematic> getSchemsAccessibleByUser(int schemOwner){
 		try{
-			ResultSet schematic = SQL.select("SELECT s.SchemID, s.SchemName, s.SchemOwner, s.Item, s.SchemType, s.Rank, s.SchemFormat FROM Schematic s LEFT JOIN SchemMember sm ON sm.SchemName = s.SchemName AND sm.SchemOwner = s.SchemOwner WHERE s.SchemOwner = ? OR sm.Member = ? GROUP BY s.SchemID ORDER BY s.SchemName", schemOwner, schemOwner);
+			ResultSet schematic = SQL.select("SELECT s.SchemID, s.SchemName, s.SchemOwner, s.Item, s.SchemType, s.Rank, s.SchemFormat FROM Schematic s LEFT JOIN SchemMember sm ON sm.SchemName = s.SchemName AND sm.SchemOwner = s.SchemOwner WHERE s.SchemOwner = ? OR sm.Member = ? ORDER BY s.SchemName", schemOwner, schemOwner);
 			List<Schematic> schematics = new ArrayList<>();
 			while(schematic.next())
 				schematics.add(new Schematic(schematic));