Remove Qemu pr.yml

Author: benaadams

.github/workflows/pr.yml

@@ -53,16 +53,12 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        arch: [ linux/amd64, linux/arm64 ]
+        arch: [ linux/amd64 ]
     steps:
       - name: Checkout
         uses: actions/checkout@v3
         with:
           ref: ${{ github.event.pull_request.head.sha }}
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
-        with:
-          platforms: linux/amd64,linux/arm64
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       - name: Build the Docker image
@@ -71,5 +67,5 @@ jobs:
           context: .
           file: nethermind/Dockerfile
           push: false
-          platforms: ${{ matrix.arch }}
+          platforms: ${{ linux/amd64 }}