Remove old commented code

Author: alex-kulakov

Orm/Xtensive.Orm/Orm/Linq/ExpressionExtensions.cs

@@ -156,16 +156,10 @@ public static Type GetGroupingKeyType(this Expression expression)
 
     public static Expression StripMarkers(this Expression e)
     {
-      if ((ExtendedExpressionType)e.NodeType==ExtendedExpressionType.Marker) {
+      if ((ExtendedExpressionType) e.NodeType == ExtendedExpressionType.Marker) {
         return ((MarkerExpression) e).Target;
       }
       return e;
-      //var ee = e as ExtendedExpression;
-      //if (ee!=null && ee.ExtendedType==ExtendedExpressionType.Marker) {
-      //  var marker = (MarkerExpression) ee;
-      //  return marker.Target;
-      //}
-      //return e;
     }
 
     public static bool IsMarker(this Expression e)

Orm/Xtensive.Orm/Orm/Rse/Transformation/ColumnMappingInspector.cs

@@ -126,23 +126,6 @@ protected override Provider VisitFilter(FilterProvider provider)
       return newSourceProvider == provider.Source && newPredicate == provider.Predicate
         ? provider
         : new FilterProvider(newSourceProvider, (Expression<Func<Tuple, bool>>) newPredicate);
-
-
-      //var isProviderTheSame = newSourceProvider == provider.Source;
-      //if (isProviderTheSame) {
-      //  // If new source provider is the same as old provider.Source then there must be no changes in its mappings.
-      //  // No remap needed for predicate.
-      //  //if (TranslateLambda(provider, provider.Predicate) != provider.Predicate)
-      //  //  throw new Exception("AAAA!!!! Mappings went wrong!!!");
-      //  return provider;
-      //}
-      //else {
-      //  // otherwise, there is a chance that new mappings should be applied to predicate
-      //  var newPredicate = TranslateLambda(provider, provider.Predicate);
-      //  return newPredicate == provider.Predicate
-      //    ? provider
-      //    : new FilterProvider(newSourceProvider, (Expression<Func<Tuple, bool>>) newPredicate);
-      //}
     }
 
     protected override Provider VisitJoin(JoinProvider provider)