Unset last-update-label
Unset last-update-label

For less commits to the gh-pages remove the last-update-label from the footer.
So that a commit is only made if the content changes.

librucha/spring-boot-admin,joshiste/spring-boot-admin,joshiste/spring-boot-admin,codecentric/spring-boot-admin,codecentric/spring-boot-admin,voltean/spring-boot-admin,voltean/spring-boot-admin,joshiste/spring-boot-admin,voltean/spring-boot-admin,librucha/spring-boot-admin,joshiste/spring-boot-admin,librucha/spring-boot-admin,RobWin/spring-boot-admin,RobWin/spring-boot-admin,RobWin/spring-boot-admin,RobWin/spring-boot-admin,librucha/spring-boot-admin,codecentric/spring-boot-admin