Delete submodules from .git and the actual folder before updating

kibot-ci.yml

@@ -111,6 +111,7 @@ image:
       if [[ $GITLAB_CI == 'true' && $CI_COMMIT_BRANCH == "main" ]]; then
         git config --global user.name "KicadCi"
         git config --global user.email "andrew@micromelon.com.au"
+        rm -rf .git/modules/libs
         for d in "libs/melonlib" "libs/melon3d" 
           do
             cd $d
@@ -122,11 +123,8 @@ image:
             fi
             REPO=$(basename $(git remote get-url origin))
             cd $CI_PROJECT_DIR
+            rm -rf $d
             git submodule set-url $d https://ci_push:$TOKEN@gitlab.com/Micromelon/education/hardware/$REPO
-            cd $d
-            git fetch --all
-            git pull
-            cd $CI_PROJECT_DIR
             git submodule update --init --remote --merge $d
           done
         git submodule status