Update StringConcatFunction.cs

Author: ritazakhodyaeva

CS/Dashboard_StringConcatAggregate/StringConcatFunction.cs

@@ -13,7 +13,6 @@ class StringConcatFunction : ICustomAggregateFunction, ICustomFunctionOperatorBr
 
  public string Description => "Takes strings, aggregates by input value and displays comma separated.";
 
-
  public FunctionCategory Category => DevExpress.Data.Filtering.FunctionCategory.Text;
 
  public object Evaluate(params object[] operands) {