Remove DbProviderFactories item instead of commenting out.

Author: kenjiuno

installer/ModifyDbProviderFactories/Program.cs

@@ -20,9 +20,6 @@ static void Main(string[] args) {
                     .Elements("add")
                     .Where(p => p.Attribute("invariant") != null && p.Attribute("invariant").Value == args[3])
                     ) {
-                    el.AddAfterSelf(
-                        new XComment(el.ToString())
-                        );
                     el.Remove();
                 }
                 XElement xAdd;
@@ -41,7 +38,6 @@ static void Main(string[] args) {
                 xApp.Load(args[1]);
                 var DbProviderFactories = xApp.SelectSingleNode("/configuration/system.data/DbProviderFactories");
                 foreach (XmlElement el in DbProviderFactories.SelectNodes("add[@invariant='" + args[3] + "']")) {
-                    el.ParentNode.InsertAfter(xApp.CreateComment(el.OuterXml), el);
                     el.ParentNode.RemoveChild(el);
                 }
                 XmlElement xAdd = xApp.CreateElement("add");