Merge pull request #114 from packagist/update-migration-docs

Self-Hosted: update migration guide

Author: glaubinix

docs/self-hosted/kubernetes-migration-guide.md

@@ -166,7 +166,7 @@ it can take several minutes for this command to finish.
 ```
 export UI_POD=$(kubectl get pods --field-selector=status.phase=Running --no-headers -o custom-columns=":metadata.name"|grep ui-)
 kubectl cp packagist_storage.tar.gz $UI_POD:/tmp/packagist_storage.tar.gz -c ui
-kubectl exec $UI_POD -c ui -- /bin/sh -c "/srv/manager/bin/console packagist:self-hosted:migrate-storage import /tmp/packagist_storage.tar.gz && rm /tmp/packagist_storage.tar" 
+kubectl exec $UI_POD -c ui -- /bin/sh -c "/srv/manager/bin/console packagist:self-hosted:migrate-storage import /tmp/packagist_storage.tar.gz && rm /tmp/packagist_storage.tar.gz" 
 ```
 
 ### Start the Private Packagist application