fix signvsix and switch cp to copy

build/SignVsix.proj

@@ -10,10 +10,6 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <FilesToSign Include="$(OutDir)\vsix\makefile-tools.vsix">
-      <Authenticode>VsixSHA2</Authenticode>
-    </FilesToSign>
-
     <FilesToSign Include="$(OutDir)\vsixe\extension.signature.p7s">
       <Authenticode>VSCodePublisher</Authenticode>
     </FilesToSign>

jobs/shared/build.yml

@@ -96,7 +96,7 @@ steps:
     displayName: Prepare manifest for signing
     inputs:
       script: |
-        cp $(Build.ArtifactStagingDirectory)\vsix\extension.manifest $(Build.ArtifactStagingDirectory)\vsix\extension.signature.p7s
+        copy $(Build.ArtifactStagingDirectory)\vsix\extension.manifest $(Build.ArtifactStagingDirectory)\vsix\extension.signature.p7s
 
   - task: MSBuild@1
     displayName: Sign VSIX