Remove data flow package everywhere

Author: jwood803

build/Dependencies.props

@@ -8,7 +8,6 @@
     <SystemCollectionsImmutableVersion>1.5.0</SystemCollectionsImmutableVersion>
     <SystemMemoryVersion>4.5.1</SystemMemoryVersion>
     <SystemReflectionEmitLightweightPackageVersion>4.3.0</SystemReflectionEmitLightweightPackageVersion>
-    <SystemThreadingTasksDataflowPackageVersion>4.8.0</SystemThreadingTasksDataflowPackageVersion>
     <SystemThreadingChannelsPackageVersion>4.7.1</SystemThreadingChannelsPackageVersion>
   </PropertyGroup>
 

pkg/Microsoft.ML/Microsoft.ML.nupkgproj

@@ -11,7 +11,6 @@
 
     <PackageReference Include="Newtonsoft.Json" Version="$(NewtonsoftJsonPackageVersion)" />
     <PackageReference Include="System.Reflection.Emit.Lightweight" Version="$(SystemReflectionEmitLightweightPackageVersion)" />
-    <PackageReference Include="System.Threading.Tasks.Dataflow" Version="$(SystemThreadingTasksDataflowPackageVersion)" />
     <PackageReference Include="System.CodeDom" Version="$(SystemCodeDomPackageVersion)" />
     <PackageReference Include="System.Memory" Version="$(SystemMemoryVersion)" />
     <PackageReference Include="System.Collections.Immutable" Version="$(SystemCollectionsImmutableVersion)" />

src/Microsoft.ML.Data/Microsoft.ML.Data.csproj

@@ -11,7 +11,6 @@
     <PackageReference Include="Newtonsoft.Json" Version="$(NewtonsoftJsonPackageVersion)" />
     <PackageReference Include="System.Collections.Immutable" Version="$(SystemCollectionsImmutableVersion)" />
     <PackageReference Include="System.Threading.Channels" Version="$(SystemThreadingChannelsPackageVersion)" />
-    <PackageReference Include="System.Threading.Tasks.Dataflow" Version="$(SystemThreadingTasksDataflowPackageVersion)" />
     <PackageReference Include="System.Reflection.Emit.Lightweight" Version="$(SystemReflectionEmitLightweightPackageVersion)" />
   </ItemGroup>