remove ruby 2.1.0 for travis
remove ruby 2.1.0 for travis

screenconcept/qbrick,brandleadership/kuhsaft,brandleadership/qbrick,brandleadership/qbrick,brandleadership/kuhsaft,screenconcept/kuhsaft,screenconcept/kuhsaft,screenconcept/qbrick,brandleadership/qbrick,screenconcept/qbrick,brandleadership/kuhsaft,screenconcept/kuhsaft