Update submodule and remove build copy.

shared-infrastructure

@@ -1 +1 @@
-Subproject commit 8dfef29f1838da76be9596f1a2f1be6d93e453d3
+Subproject commit ea561c249ba86352fe3b69e612b8072f3652eacb

src/Directory.Build.targets

@@ -55,14 +55,6 @@
   <ItemGroup>
     <!--Shared config files that have to exist at root level.-->
     <ConfigFilesToCopy Include="..\..\shared-infrastructure\.editorconfig;..\..\shared-infrastructure\.gitattributes" />
-    <!--
-    Copy submodule files generated via T4 templates.
-    We cannot include the generated files in the submodule as any solution wide T4 regeneration
-    could potentially cause the module to be marked dirty which is a headache.
-    This, instead, combined with using 'Compile Update' over 'Include' allows us to copy the file
-    across from the submodule and place it directly in the src folder for compilation.    
-    -->
-    <SubmoduleSourceFilesToCopy Include="..\..\shared-infrastructure\src\SharedInfrastructure\Guard.Numeric.cs" />
   </ItemGroup>
 
   <!--Ensures our config files are up to date.-->
@@ -70,11 +62,6 @@
     <Copy SourceFiles="@(ConfigFilesToCopy)"
           SkipUnchangedFiles = "true"
           DestinationFolder="..\..\" />
-    
-    <Copy SourceFiles="@(SubmoduleSourceFilesToCopy)"
-          DestinationFolder="..\..\src\ImageSharp\Common\Helpers"
-          SkipUnchangedFiles="true"
-          ContinueOnError="true" />
   </Target>
   
   <!-- Allows regenerating T4-generated files at build time using MsBuild -->

src/ImageSharp/ImageSharp.csproj

@@ -36,17 +36,7 @@
     <PackageReference Include="System.ValueTuple" />
   </ItemGroup>
 
-  <ItemGroup>
-    <!--
-    Note: Generating all templates via Visual Studio causes a duplicate entry that requires deleting
-    post operation. MSBuild target leaves the csproj file intact.
-    -->
-    <Compile Update="..\..\shared-infrastructure\src\SharedInfrastructure\Guard.Numeric.cs">
-      <DesignTime>True</DesignTime>
-      <AutoGen>True</AutoGen>
-      <DependentUpon>Guard.Numeric.tt</DependentUpon>
-    </Compile>
-    
+  <ItemGroup>  
     <Compile Update="Formats\Jpeg\Components\Block8x8F.Generated.cs">
       <DesignTime>True</DesignTime>
       <AutoGen>True</AutoGen>
@@ -212,10 +202,6 @@
       <LastGenOutput>DefaultPixelBlenders.Generated.cs</LastGenOutput>
       <Generator>TextTemplatingFileGenerator</Generator>
     </None>
-    <None Update="..\..\shared-infrastructure\src\SharedInfrastructure\Guard.Numeric.tt">
-      <LastGenOutput>Guard.Numeric.cs</LastGenOutput>
-      <Generator>TextTemplatingFileGenerator</Generator>
-    </None>
   </ItemGroup>
 
   <ItemGroup>