Removed extra code

Tests/PerformanceTests.cs

@@ -323,15 +323,4 @@ public static string GetNullableString(this SqlDataReader reader, int index)
             return null;
         }
     }
-
-    public class TestSusanooDatabaseMananger : Susanoo.DatabaseManager
-    {
-        public TestSusanooDatabaseMananger(string connectionStringName)
-            : base(connectionStringName)
-        {
-            this.OpenConnection();
-        }
-
-
-    }
 }
\ No newline at end of file