Merge "[docs] Limit git submodule recurse to depth 1"

diff --cc jjb/opnfvdocs/docs-rtd.yaml
index fc99bd3,cb55fd2..bfb9d63
--- 1/jjb/opnfvdocs/docs-rtd.yaml
--- 2/jjb/opnfvdocs/docs-rtd.yaml
+++ b/jjb/opnfvdocs/docs-rtd.yaml
@@@ -87,8 -88,13 +88,13 @@@
            else
                git fetch origin $GERRIT_REFSPEC && git checkout FETCH_HEAD
            fi
+           if [ -d docs/subdmodules ]; then
+               for project in docs/submodules/*; do
+                   cd $project && git submodule deinit -f . && cd -
+               done
+           fi
        - shell: |
 -          sudo pip install virtualenv
 +          sudo -H pip install virtualenv
            virtualenv $WORKSPACE/venv
            . $WORKSPACE/venv/bin/activate
            pip install --upgrade pip