Update .gitlab-ci.yml

.gitlab-ci.yml

-  image: docker.io/alopeziri/labrobotica
-  
-  #variables:
-      #GIT_SUBMODULE_STRATEGY: recursive
-  
-  before_script:
-      - apt update
-      - apt -y install git #add to docker image?
-      - apt -y install sudo #needed for sudo commands in privileges.sh script
-      - which ssh-agent || ( apt-get update -y && apt-get install openssh-client -y )
-      - eval $(ssh-agent -s)
-      - echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add - > /dev/null
-      - mkdir -p ~/.ssh
-      - chmod 700 ~/.ssh
-      - ssh-keyscan -p 2202 gitlab.iri.upc.edu  >> ~/.ssh/known_hosts
-      - chmod 644 ~/.ssh/known_hosts
-      - ssh -p 2202 git@gitlab.iri.upc.edu #test
-      - git submodule sync --recursive
-      - git submodule update --init --recursive
+  image: docker.io/labrobotica/labrobotica
 
   stages:
     - build
@@ -26,6 +8,8 @@
   build-package:
     stage: build
     script:
+      - git submodule sync --recursive
+      - git submodule update --init --recursive
       - apt update
       - apt -y install iri-iriutils-dev iri-comm-dev iri-dynamixel-dev
       - apt -y install gcc-avr avr-libc #firmware dependencies