Move back the docker call to travis

.travis.yml

@@ -26,5 +26,6 @@ deploy:
   'on':
     branch: master
   provider: script
-  script: ./snap/snap-in-docker.sh
+  script: docker run -v $(pwd):$(pwd) -t snapcore/snapcraft sh -c "apt update -qq
+    && cd $(pwd) && ./snap/snap-multiarch.sh"
   skip_cleanup: true

snap/snap-in-docker.sh

@@ -1,7 +0,0 @@
-#!/bin/bash
-#
-# Build the ipfs-cluster snaps and push them to the store using a docker container.
-
-set -ev
-
-docker run -v $(pwd):$(pwd) -t snapcore/snapcraft sh -c "apt update -qq && cd $(pwd) && ./snap/snap-multiarch.sh"