remove double platforms

.gitlab-ci.yml

@@ -17,7 +17,7 @@ docker-build:
         tag=":$CI_COMMIT_REF_SLUG"
         echo "Running on branch '$CI_COMMIT_BRANCH': tag = $tag"
       fi
-    - docker buildx build --platform linux/386,linux/amd64,linux/arm,linux/arm/v7,linux/arm/v6,linux/arm64,linux/arm64/v8,linux/ppc64le,linux/s390x --push --tag "$CI_REGISTRY_IMAGE${tag}" .
+    - docker buildx build --platform linux/386,linux/amd64,linux/arm/v7,linux/arm/v6,linux/arm64,linux/ppc64le,linux/s390x --push --tag "$CI_REGISTRY_IMAGE${tag}" .
   # Run this job in a branch where a Dockerfile exists
   rules:
     - if: $CI_COMMIT_BRANCH