修复页面切换时布局错乱的问题

Signed-off-by: 也曾为你像超人 <1553592282@qq.com>

ruoyi-ui/src/assets/styles/transition.scss

@@ -18,10 +18,6 @@
   transition: all .5s;
 }
 
-.fade-transform-leave-active {
-  position: absolute;
-}
-
 .fade-transform-enter {
   opacity: 0;
   transform: translateX(-30px);