Remove nunit pattern from file layout

The nunit file format is nice (cleanup puts setup/teardown methods first, then members, then alphabetical test methods), but StyleCop doesn't recognise this, so remove it.

Author: citizenmatt

install/StyleCop.nuspec

@@ -3,12 +3,15 @@
   <metadata>
     <id>StyleCop.StyleCop</id>
     <title>StyleCop by JetBrains</title>
-    <version>2016.2.0</version>
+    <version>2016.2.1</version>
     <authors>Matt Ellis, Andy Reeves</authors>
     <owners>JetBrains, Matt Ellis</owners>
     <summary>StyleCop analyzes C# source code to enforce a set of style and consistency rules. Maintained by JetBrains</summary>
     <description>StyleCop analyzes C# source code to enforce a set of style and consistency rules. This plugin is compatible with StyleCop 4.7.54, and maintained by JetBrains.</description>
     <releaseNotes>
+&#8226; Remove NUnit file layout pattern, since it doesn't match StyleCop guidelines
+
+From 2016.2.0:
 &#8226; Updated to ReSharper 2016.2 (StyleCop/StyleCop#55)
 
 From 2016.1.4:

src/StyleCop.ReSharper/StyleCop.dotSettings

@@ -278,39 +278,6 @@
       </And>
     </TypePattern.Match>
   </TypePattern>
-  <TypePattern DisplayName="NUnit Test Fixtures" RemoveRegions="All">
-    <TypePattern.Match>
-      <And>
-        <Kind Is="Class" />
-        <HasAttribute Name="NUnit.Framework.TestFixtureAttribute" Inherited="True" />
-      </And>
-    </TypePattern.Match>
-    <Entry DisplayName="Setup/Teardown Methods">
-      <Entry.Match>
-        <And>
-          <Kind Is="Method" />
-          <Or>
-            <HasAttribute Name="NUnit.Framework.SetUpAttribute" Inherited="True" />
-            <HasAttribute Name="NUnit.Framework.TearDownAttribute" Inherited="True" />
-            <HasAttribute Name="NUnit.Framework.FixtureSetUpAttribute" Inherited="True" />
-            <HasAttribute Name="NUnit.Framework.FixtureTearDownAttribute" Inherited="True" />
-          </Or>
-        </And>
-      </Entry.Match>
-    </Entry>
-    <Entry DisplayName="All other members" />
-    <Entry Priority="100" DisplayName="Test Methods">
-      <Entry.Match>
-        <And>
-          <Kind Is="Method" />
-          <HasAttribute Name="NUnit.Framework.TestAttribute" />
-        </And>
-      </Entry.Match>
-      <Entry.SortBy>
-        <Name />
-      </Entry.SortBy>
-    </Entry>
-  </TypePattern>
   <TypePattern DisplayName="Default Pattern (StyleCop)" RemoveRegions="All">
     <Entry DisplayName="Constants">
       <Entry.Match>