Don't duplicate the strong name key directive in pubkey.cs, instead reuse CommonAssemblyInfo.cs.

tools/pubkey.cs

@@ -27,11 +27,6 @@ using System.IO;
 using System.Text;
 using System.Reflection;
 
-#if SIGNCODE
-    #pragma warning disable 1699
-    [assembly: AssemblyKeyName("ikvm-key")]
-#endif
-
 class PublicKey
 {
     static void Main(string[] args)

tools/tools.build

@@ -26,6 +26,7 @@
         <csc target="exe" output="pubkey.exe" define="${defs}" optimize="true" rebuild="true">
             <sources>
                 <include name="pubkey.cs" />
+                <include name="../CommonAssemblyInfo.cs" />
             </sources>
         </csc>
         <exec program="pubkey.exe" useruntimeengine="true" />