remove 删除多余 xxl-job-admin banner文件

ruoyi-visual/ruoyi-xxl-job-admin/banner.txt

@@ -1,8 +0,0 @@
-Application Version: ${ruoyi-vue-plus.version}
-Spring Boot Version: ${spring-boot.version}
-__   __      _            _       _                     _           _
-\ \ / /     | |          | |     | |           /\      | |         (_)
- \ V / __  _| |______    | | ___ | |__ ______ /  \   __| |_ __ ___  _ _ __
-  > <  \ \/ / |______|   | |/ _ \| '_ \______/ /\ \ / _` | '_ ` _ \| | '_ \
- / . \  >  <| |     | |__| | (_) | |_) |    / ____ \ (_| | | | | | | | | | |
-/_/ \_\/_/\_\_|      \____/ \___/|_.__/    /_/    \_\__,_|_| |_| |_|_|_| |_|