Remove backported aspnetcore source-build patch

src/SourceBuild/tarball/patches/aspnetcore/0001-Revert-sourcelink-submodule-workaround.patch

@@ -1,48 +0,0 @@
-From 9b529c2f911e9a7ad25586d0d4a8db8bc5a7b2e5 Mon Sep 17 00:00:00 2001
-From: Michael Simons <msimons@microsoft.com>
-Date: Thu, 5 Aug 2021 22:44:48 +0000
-Subject: [PATCH] Revert sourcelink submodule workaround
-
-aspnetcore will fail the offline tarball build because of the sourcelink workaround being removed here.
-To fix this, a sourcelink patch was added to address the issue.
-
-Backport: https://github.com/dotnet/source-build/issues/2708
----
- eng/SourceBuild.props | 14 --------------
- 1 file changed, 14 deletions(-)
-
-diff --git a/eng/SourceBuild.props b/eng/SourceBuild.props
-index 3dbfe2ce7e..403b91f976 100644
---- a/eng/SourceBuild.props
-+++ b/eng/SourceBuild.props
-@@ -2,7 +2,6 @@
-   <PropertyGroup>
-     <GitHubRepositoryName>aspnetcore</GitHubRepositoryName>
-     <SourceBuildManagedOnly>true</SourceBuildManagedOnly>
--    <CloneSubmodulesToInnerSourceBuildRepo>false</CloneSubmodulesToInnerSourceBuildRepo>
-   </PropertyGroup>
- 
-   <Target Name="PrepareGlobalJsonForSourceBuild"
-@@ -13,19 +12,6 @@
-       WorkingDirectory="$(InnerSourceBuildRepoRoot)" />
-   </Target>
- 
--  <!--
--    Init submodules - temporarary workaround for https://github.com/dotnet/sourcelink/pull/653
--  -->
--  <Target Name="InitSubmodules"
--          DependsOnTargets="PrepareInnerSourceBuildRepoRoot"
--          BeforeTargets="RunInnerSourceBuildCommand">
--
--    <Exec
--      Command="git submodule update --init --recursive"
--      WorkingDirectory="$(InnerSourceBuildRepoRoot)"
--      EnvironmentVariables="@(InnerBuildEnv)" />
--  </Target>
--
-   <!--
-     Remove inner source .globalconfig file as both the inner and outer config files get loaded and cause a conflict.
-     Leaving the inner will cause all conflicting settings to be ignored.
--- 
-2.29.2
-