remove use of ms toolchain feed

Author: SteveL-MSFT

.pipelines/DSC-Official.yml

@@ -119,7 +119,7 @@ extends:
         - task: RustInstaller@1
           inputs:
             rustVersion: ms-stable
-            toolchainFeed: https://pkgs.dev.azure.com/mscodehub/Rust/_packaging/Rust/nuget/v3/index.json
+            #toolchainFeed: https://pkgs.dev.azure.com/mscodehub/Rust/_packaging/Rust/nuget/v3/index.json
             #cratesIoFeedOverride: sparse+https://pkgs.dev.azure.com/powershell/PowerShell/_packaging/powershell/Cargo/index/
             additionalTargets: $(buildName)
           displayName: Install Rust
@@ -256,7 +256,7 @@ extends:
         - task: RustInstaller@1
           inputs:
             rustVersion: ms-stable
-            toolchainFeed: https://pkgs.dev.azure.com/mscodehub/Rust/_packaging/Rust/nuget/v3/index.json
+            #toolchainFeed: https://pkgs.dev.azure.com/mscodehub/Rust/_packaging/Rust/nuget/v3/index.json
             #cratesIoFeedOverride: sparse+https://pkgs.dev.azure.com/powershell/PowerShell/_packaging/powershell/Cargo/index/
             additionalTargets: x86_64-unknown-linux-gnu
           displayName: Install Rust
@@ -303,7 +303,7 @@ extends:
         - task: RustInstaller@1
           inputs:
             rustVersion: ms-stable
-            toolchainFeed: https://pkgs.dev.azure.com/mscodehub/Rust/_packaging/Rust/nuget/v3/index.json
+            #toolchainFeed: https://pkgs.dev.azure.com/mscodehub/Rust/_packaging/Rust/nuget/v3/index.json
             #cratesIoFeedOverride: sparse+https://pkgs.dev.azure.com/powershell/PowerShell/_packaging/powershell/Cargo/index/
             additionalTargets: aarch64-unknown-linux-gnu
           displayName: Install Rust
@@ -358,7 +358,7 @@ extends:
         - task: RustInstaller@1
           inputs:
             rustVersion: ms-stable
-            toolchainFeed: https://pkgs.dev.azure.com/mscodehub/Rust/_packaging/Rust/nuget/v3/index.json
+            #toolchainFeed: https://pkgs.dev.azure.com/mscodehub/Rust/_packaging/Rust/nuget/v3/index.json
             #cratesIoFeedOverride: sparse+https://pkgs.dev.azure.com/powershell/PowerShell/_packaging/powershell/Cargo/index/
             additionalTargets: $(buildName)
           displayName: Install Rust