Cleanup Microsoft.DotNet.VersionTools.Tasks, it got removed from arcade (#115046)

It should be unused.

Author: akoeplinger

eng/Tools.props

@@ -1,18 +1,8 @@
 <Project>
-  <PropertyGroup>
-    <!-- Unset the repo tool manifest property in CI as we don't use repo tools there anyway,
-    until https://github.com/dotnet/sdk/issues/10938 is fixed. -->
-    <_RepoToolManifest Condition="'$(ContinuousIntegrationBuild)' == 'true'" />
-  </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="Microsoft.DotNet.Build.Tasks.Packaging" Version="$(MicrosoftDotNetBuildTasksPackagingVersion)" />
     <PackageReference Include="Microsoft.DotNet.Build.Tasks.Templating" Version="$(MicrosoftDotNetBuildTasksTemplatingVersion)" />
   </ItemGroup>
 
-  <!-- excluded from source build -->
-  <ItemGroup Condition="'$(DotNetBuildSourceOnly)' != 'true'">
-    <PackageReference Include="Microsoft.DotNet.VersionTools.Tasks" Version="$(MicrosoftDotNetVersionToolsTasksVersion)" />
-  </ItemGroup>
-
 </Project>

eng/Version.Details.xml

@@ -159,10 +159,6 @@
       <Uri>https://github.com/dotnet/dotnet</Uri>
       <Sha>58950550c5c2c7a2431595699b38fd0360fd63e9</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.VersionTools.Tasks" Version="10.0.0-beta.25178.2">
-      <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>7d1967403f5b12406763c666f41e3358bb542ced</Sha>
-    </Dependency>
     <Dependency Name="Microsoft.DotNet.SharedFramework.Sdk" Version="10.0.0-beta.25224.104">
       <Uri>https://github.com/dotnet/dotnet</Uri>
       <Sha>58950550c5c2c7a2431595699b38fd0360fd63e9</Sha>

eng/Versions.props

@@ -99,7 +99,6 @@
     <MicrosoftDotNetBuildTasksTemplatingVersion>10.0.0-beta.25224.104</MicrosoftDotNetBuildTasksTemplatingVersion>
     <MicrosoftDotNetBuildTasksWorkloadsPackageVersion>10.0.0-beta.25224.104</MicrosoftDotNetBuildTasksWorkloadsPackageVersion>
     <MicrosoftDotNetRemoteExecutorVersion>10.0.0-beta.25224.104</MicrosoftDotNetRemoteExecutorVersion>
-    <MicrosoftDotNetVersionToolsTasksVersion>10.0.0-beta.25178.2</MicrosoftDotNetVersionToolsTasksVersion>
     <MicrosoftDotNetPackageTestingVersion>10.0.0-beta.25224.104</MicrosoftDotNetPackageTestingVersion>
     <MicrosoftDotNetXliffTasksVersion>10.0.0-beta.25224.104</MicrosoftDotNetXliffTasksVersion>
     <!-- TODO: Remove pinned xunit.analyzers version: https://github.com/dotnet/runtime/issues/97088 -->