Remove option we aren't using.

src/VisualStudio/CSharp/Impl/CSharpVSResources.Designer.cs

@@ -609,15 +609,6 @@ internal class CSharpVSResources {
             }
         }
         
-        /// <summary>
-        ///   Looks up a localized string similar to Warn if _build errors exist when organizing usings.
-        /// </summary>
-        internal static string Option_WarnOnBuildErrors {
-            get {
-                return ResourceManager.GetString("Option_WarnOnBuildErrors", resourceCulture);
-            }
-        }
-        
         /// <summary>
         ///   Looks up a localized string similar to Prefer intrinsic predefined type keyword when declaring locals, parameters and members.
         /// </summary>

src/VisualStudio/CSharp/Impl/CSharpVSResources.resx

@@ -381,9 +381,6 @@
   <data name="Option_PlaceSystemNamespaceFirst" xml:space="preserve">
     <value>_Place 'System' directives first when sorting usings</value>
   </data>
-  <data name="Option_WarnOnBuildErrors" xml:space="preserve">
-    <value>Warn if _build errors exist when organizing usings</value>
-  </data>
   <data name="Option_BringUpOnIdentifier" xml:space="preserve">
     <value>_Show completion list after a character is typed</value>
   </data>

src/VisualStudio/CSharp/Impl/Options/AdvancedOptionPageControl.xaml

@@ -45,9 +45,6 @@
             <GroupBox x:Uid="OrganizeUsingsGroupBox"
                       Header="{x:Static local:AdvancedOptionPageStrings.Option_OrganizeUsings}">
                 <StackPanel>
-                    <CheckBox x:Name="WarnOnBuildErrors"
-                              Visibility="Collapsed"
-                              Content="{x:Static local:AdvancedOptionPageStrings.Option_WarnOnBuildErrors}" />
                     <CheckBox x:Name="PlaceSystemNamespaceFirst"
                               x:Uid="SortUsings_PlaceSystemFirst"
                               Content="{x:Static local:AdvancedOptionPageStrings.Option_PlaceSystemNamespaceFirst}" />

src/VisualStudio/CSharp/Impl/Options/AdvancedOptionPageStrings.cs

@@ -108,10 +108,5 @@ public static string Option_PlaceSystemNamespaceFirst
         {
             get { return CSharpVSResources.Option_PlaceSystemNamespaceFirst; }
         }
-
-        public static string Option_WarnOnBuildErrors
-        {
-            get { return CSharpVSResources.Option_WarnOnBuildErrors; }
-        }
     }
 }