fix error introduced on purpose

.gitlab-ci.yml

@@ -4,7 +4,7 @@ pages:
   script:
     - gem install bundler
     - bundle install
-    - bundle exec jekyll build -d public --trace
+    - bundle exec jekyll build -d public
   artifacts:
     paths:
       - public

_config.yml

 description: This project develops training materials for reseachers wanting to learn to build project
   websites in GitLab Pages.
-email= team@carpentries.org
\ No newline at end of file
+email: team@carpentries.org
\ No newline at end of file