remove arm/v7

Author: richarvey

.github/workflows/build_images.yml

@@ -62,6 +62,6 @@ jobs:
           builder: ${{ steps.buildx.outputs.name }}
           context: .
           file: ./Dockerfile
-          platforms: linux/amd64,linux/arm64,linux/arm/v7
+          platforms: linux/amd64,linux/arm64
           push: true
           tags: ${{ steps.prep.outputs.tags }}