Updated Jenkinsfile (Doxygen stage to do the travis-ci) (#1976)

* Updated Jenkinsfile to do the travis-ci

Jenkinsfile

@@ -91,7 +91,7 @@ pipeline {
                 sh 'cd ~/carla-simulator.github.io && \
                     git pull && \
                     git add Doxygen && \
-                    git commit -m "Updated c++ docs [skip ci]" || true && \
+                    git commit -m "Updated c++ docs" || true && \
                     git push'
             }
         }