Update E2E testing

.github/workflows/ci-e2e.yml

@@ -38,18 +38,7 @@ jobs:
         with:
           dotnet-version: 6.0.x
 
-      - name: Check if there is a corresponding branch in Machine
-        id: find_matching_branch
-        continue-on-error: true
-        if: ${{ github.ref_name }} != "main"
-        run: cd .. && git clone https://github.com/sillsdev/machine.git --branch ${{ github.ref_name }} && dotnet build machine && dotnet build serval
-
-      - name: Get Machine
-        if: steps.find_matching_branch.outcome != 'success'
-        run: cd .. && mkdir machine_testing_dir && cd machine_testing_dir && git clone https://github.com/sillsdev/machine.git && cd machine && dotnet build && cd ../../serval && dotnet build && export MACHINE_TESTING_DIR="../machine_testing_dir/machine" && docker compose -f "docker-compose.yml" up -d && sleep 20 #separate repos to guarantee failures when grpc or data access is not up to date
-
       - name: Start containers
-        if: steps.find_matching_branch.outcome == 'success'
         run:  docker compose -f "docker-compose.yml" up -d && sleep 20 #allow time for mongo to start up properly
 
       - name: Debug network