Revert "Explicitly set Docker as test runtime to avoid issues with docker info (#9200)" (#9339)

This reverts commit 8692e43.

Author: danegsta

.github/workflows/run-tests.yml

@@ -213,7 +213,6 @@ jobs:
         working-directory: ${{ github.workspace }}/run-tests/
         env:
           CI: false
-          DOTNET_ASPIRE_CONTAINER_RUNTIME: docker
           DCP_DIAGNOSTICS_LOG_LEVEL: debug
           DCP_DIAGNOSTICS_LOG_FOLDER: ${{ github.workspace }}/testresults/dcp
           BUILT_NUGETS_PATH: ${{ github.workspace }}/artifacts/packages/Debug/Shipping
@@ -236,7 +235,6 @@ jobs:
         id: run-tests
         env:
           CI: false
-          DOTNET_ASPIRE_CONTAINER_RUNTIME: docker
           DCP_DIAGNOSTICS_LOG_LEVEL: debug
           DCP_DIAGNOSTICS_LOG_FOLDER: ${{ github.workspace }}/testresults/dcp
           # During restore and build, we use -ci, which causes NUGET_PACKAGES to point to a local cache (Arcade behavior).

eng/pipelines/templates/BuildAndTest.yml

@@ -106,7 +106,6 @@ steps:
               "${{ parameters.buildScript }} -testnobuild -test -configuration ${{ parameters.buildConfig }} /bl:${{ parameters.repoLogPath }}/tests.binlog /maxcpucount:1 /p:BuildInParallel=false $(_OfficialBuildIdArgs)"
       env:
         DOCKER_BUILDKIT: 1
-        DOTNET_ASPIRE_CONTAINER_RUNTIME: docker
         # https://github.com/dotnet/aspire/issues/5195#issuecomment-2271687822
         DOTNET_ASPIRE_DEPENDENCY_CHECK_TIMEOUT: 180
         DCP_DIAGNOSTICS_LOG_LEVEL: debug

tests/helix/send-to-helix-inner.proj

@@ -153,9 +153,6 @@
 
     <HelixPreCommand Condition="'$(OS)' == 'Windows_NT'" Include="dotnet dev-certs https --trust" />
 
-    <!-- Force container runtime to Docker since that's what is installed on Helix -->
-    <HelixPreCommand Condition="'$(OS)' == 'Windows_NT'" Include="$(_EnvVarSetKeyword) DOTNET_ASPIRE_CONTAINER_RUNTIME=docker" />
-
     <!-- Set the DCP env -->
     <HelixPreCommand Include="$(_EnvVarSetKeyword) DCP_DIAGNOSTICS_LOG_LEVEL=debug" />
     <HelixPreCommand Include="$(_EnvVarSetKeyword) DCP_DIAGNOSTICS_LOG_FOLDER=$(_HelixLogsPath)" />