scripts: remove ".aci" commands

Signed-off-by: Gyuho Lee <leegyuho@amazon.com>

Documentation/v2/dev/release.md

@@ -73,8 +73,6 @@ The following commands are used for public release sign:
 cd release
 # personal GPG is okay for now
 for i in etcd-*{.zip,.tar.gz}; do gpg --sign ${i}; done
-# use `CoreOS ACI Builder <release@coreos.com>` secret key
-for aci in etcd-${VERSION}.*.aci; do gpg -u 88182190 -a --output ${aci}.asc --detach-sig ${aci}; done
 ```
 
 ## Publish Release Page in GitHub

scripts/release

@@ -147,11 +147,10 @@ main() {
     [[ "${confirm,,}" == "y" ]] || exit 1
     gsutil -m cp ./release/*.zip gs://etcd/${RELEASE_VERSION}/
     gsutil -m cp ./release/*.tar.gz gs://etcd/${RELEASE_VERSION}/
-    gsutil -m cp ./release/*.aci gs://etcd/${RELEASE_VERSION}/
     gsutil -m acl ch -u allUsers:R -r gs://etcd/${RELEASE_VERSION}/
   fi
 
-    # Push images.
+  # Push images.
   if [ "${NO_DOCKER_PUSH}" == 1 ]; then
     echo "Skipping docker push. --no-docker-push flat is set."
   else