remove manual signing

Author: TimmyMC

Source/Directory.Build.props

@@ -10,11 +10,6 @@
     <CompilerVisibleProperty Include="IncludePendingSchemaObjects" />
   </ItemGroup>
 
-  <PropertyGroup Label="Signing">
-    <SignAssembly>true</SignAssembly>
-    <AssemblyOriginatorKeyFile>../../Key.snk</AssemblyOriginatorKeyFile>
-  </PropertyGroup>
-
   <ItemGroup Label="Package References">
     <PackageReference Include="DotNet.ReproducibleBuilds" PrivateAssets="all" Version="1.2.39" />
   </ItemGroup>