Removes lots of Dead Code - thanks NDepend!

src/Umbraco.Core/Configuration/UmbracoSettings/CustomBooleanTypeConverter.cs

@@ -1,32 +0,0 @@
-using System;
-using System.ComponentModel;
-
-namespace Umbraco.Core.Configuration.UmbracoSettings
-{
-    /// <summary>
-    /// Allows for converting string representations of 0 and 1 to boolean
-    /// </summary>
-    internal class CustomBooleanTypeConverter : BooleanConverter
-    {
-        public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
-        {
-            if (sourceType == typeof(string))
-            {
-                return true;
-            }
-            return base.CanConvertFrom(context, sourceType);
-        }
-
-        public override object ConvertFrom(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value)
-        {
-            if (value is string)
-            {
-                var str = (string)value;
-                if (str == "1") return true;
-                if (str == "0" || str == "") return false;
-            }
-
-            return base.ConvertFrom(context, culture, value);
-        }
-    }
-}

src/Umbraco.Core/Configuration/UmbracoSettings/LinkElement.cs

@@ -1,62 +0,0 @@
-using System.Configuration;
-
-namespace Umbraco.Core.Configuration.UmbracoSettings
-{
-    internal class LinkElement : ConfigurationElement, ILink
-    {
-        [ConfigurationProperty("application")]
-        internal string Application
-        {
-            get { return (string)base["application"]; }
-        }
-
-        [ConfigurationProperty("applicationUrl")]
-        internal string ApplicationUrl
-        {
-            get { return (string)base["applicationUrl"]; }
-        }
-
-        [ConfigurationProperty("language")]
-        internal string Language
-        {
-            get { return (string)base["language"]; }
-        }
-
-        [ConfigurationProperty("userType")]
-        internal string UserType
-        {
-            get { return (string)base["userType"]; }
-        }
-
-        [ConfigurationProperty("helpUrl")]
-        internal string HelpUrl
-        {
-            get { return (string)base["helpUrl"]; }
-        }
-
-        string ILink.Application
-        {
-            get { return Application; }
-        }
-
-        string ILink.ApplicationUrl
-        {
-            get { return ApplicationUrl; }
-        }
-
-        string ILink.Language
-        {
-            get { return Language; }
-        }
-
-        string ILink.UserType
-        {
-            get { return UserType; }
-        }
-
-        string ILink.HelpUrl
-        {
-            get { return HelpUrl; }
-        }
-    }
-}

src/Umbraco.Core/Configuration/UmbracoSettings/LinksCollection.cs

@@ -1,34 +0,0 @@
-using System.Collections.Generic;
-using System.Configuration;
-
-namespace Umbraco.Core.Configuration.UmbracoSettings
-{
-    internal class LinksCollection : ConfigurationElementCollection, IEnumerable<ILink>
-    {
-        protected override ConfigurationElement CreateNewElement()
-        {
-            return new LinkElement();
-        }
-
-        protected override object GetElementKey(ConfigurationElement element)
-        {
-            return ((LinkElement)element).Application 
-                   + ((LinkElement)element).ApplicationUrl 
-                   + ((LinkElement)element).Language
-                   + ((LinkElement)element).UserType;
-        }
-
-        IEnumerator<ILink> IEnumerable<ILink>.GetEnumerator()
-        {
-            for (var i = 0; i < Count; i++)
-            {
-                yield return BaseGet(i) as ILink;
-            }
-        }
-
-        System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
-        {
-            return GetEnumerator();
-        }
-    }
-}