Include assembly key in repository

This key is for identity not security.

src/common/signing.props

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(BuildType)' == 'Internal'">
-    <AssemblyOriginatorKeyFile>..\..\script\key.snk</AssemblyOriginatorKeyFile>
+    <AssemblyOriginatorKeyFile>..\..\key.snk</AssemblyOriginatorKeyFile>
     <SignAssembly>true</SignAssembly>
     <DelaySign>false</DelaySign>
   </PropertyGroup>
@@ -17,7 +17,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <None Include="..\..\script\key.snk" Condition="'$(BuildType)' == 'Internal'">
+    <None Include="..\..\key.snk" Condition="'$(BuildType)' == 'Internal'">
       <Link>key.snk</Link>
     </None>