simplify test job name formatting and remove redundant qemu setup

Author: leighmcculloch

.github/workflows/newbuild.yml

@@ -265,15 +265,7 @@ jobs:
         options: [""]
         include: ${{ fromJSON(needs.setup.outputs.additional-tests) }}
       fail-fast: false
-    name: >
-      test
-      ${{ matrix.tag }}
-      ${{ matrix.arch }}
-      ${{ matrix.network }}
-      ${{ matrix.core && 'core' }}
-      ${{ matrix.rpc && 'rpc' }}
-      ${{ matrix.horizon && 'horizon' }}
-      ${{ matrix.options }}
+    name: test ${{ matrix.tag }} ${{ matrix.arch }} ${{ matrix.network }} ${{ matrix.core && 'core' || '' }} ${{ matrix.rpc && 'rpc' || '' }} ${{ matrix.horizon && 'horizon' || '' }} ${{ matrix.options || '' }}
     runs-on: ${{ matrix.arch == 'arm64' && 'ubuntu-24.04-arm' || 'ubuntu-latest' }}
     steps:
     - name: Free up disk space
@@ -294,10 +286,6 @@ jobs:
         path: /tmp/
     - name: Load Quickstart Image
       run: docker load -i /tmp/image
-    - if: inputs.arch == 'arm64'
-      uses: docker/setup-qemu-action@e81a89b1732b9c48d79cd809d8d81d79c4647a18
-      with:
-        platforms: arm64
     - name: Create Tag
       id: tag
       run: echo "tag=${{ needs.setup.outputs.tag-prefix }}${{ matrix.tag }}-${{ matrix.arch }}" >> $GITHUB_OUTPUT