Always sign assemblies

Signed an unsigned assemblies can behave differently. It's important
that they're consistently signed when testing.

Author: jcansdale

signingkey.snk

@@ -4,25 +4,15 @@
     <BuildType Condition="Exists('..\..\script\key.snk')">Internal</BuildType>
   </PropertyGroup>
 
-  <PropertyGroup Condition="'$(BuildType)' == 'Internal'">
+  <PropertyGroup>
     <AssemblyOriginatorKeyFile>..\..\key.snk</AssemblyOriginatorKeyFile>
     <SignAssembly>true</SignAssembly>
     <DelaySign>false</DelaySign>
   </PropertyGroup>
 
-  <PropertyGroup Condition="'$(BuildType)' != 'Internal' and Exists('..\..\signingkey')">
-    <AssemblyOriginatorKeyFile>..\..\signingkey.snk</AssemblyOriginatorKeyFile>
-    <SignAssembly>true</SignAssembly>
-    <DelaySign>false</DelaySign>
-  </PropertyGroup>
-
   <ItemGroup>
-    <None Include="..\..\key.snk" Condition="'$(BuildType)' == 'Internal'">
+    <None Include="..\..\key.snk">
       <Link>key.snk</Link>
     </None>
-
-    <None Include="..\..\signingkey" Condition="'$(BuildType)' != 'Internal' and Exists('..\..\signingkey')">
-      <Link>signingkey</Link>
-    </None>
   </ItemGroup>
 </Project>