remove docker arm/v7 builds for now

Author: topi314

.github/workflows/build.yml

@@ -84,7 +84,7 @@ jobs:
         with:
           file: LavalinkServer/docker/Dockerfile
           context: .
-          platforms: linux/amd64,linux/arm/v7
+          platforms: linux/amd64
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}