move cmd for init submodule into deploy script

.ci/deploy.sh

@@ -17,6 +17,9 @@ else
     version="unstable";
 fi
 
+# build the unstable version - can be optimized
+git submodule update --recursive --init
+
 # add matomo
 sed -i "/matomohead/r./.ci/analytics/head.html" theme/templates/_index.html
 sed -i "/matomopolicy/r./.ci/analytics/policy.html" theme/templates/_index.html

.gitlab-ci.yml

@@ -61,8 +61,6 @@ build:courses:
   rules:
     - if: $CI_COMMIT_BRANCH == "develop"
     - if: $CI_COMMIT_BRANCH == "master"
-  before_script:
-    - git submodule update --recursive --init
   script:
     - bash .ci/deploy.sh
   artifacts: