fix(NoticeBar): replay event only triggered once (#6293)

src/notice-bar/index.less

@@ -34,20 +34,13 @@
   &__content {
     position: absolute;
     white-space: nowrap;
+    transition-timing-function: linear;
 
     &.van-ellipsis {
       max-width: 100%;
     }
   }
 
-  &__play {
-    animation: van-notice-bar-play linear both;
-
-    &--infinite {
-      animation: van-notice-bar-play-infinite linear infinite both;
-    }
-  }
-
   &--wrapable {
     height: auto;
     padding: @notice-bar-wrapable-padding;
@@ -65,19 +58,3 @@
     }
   }
 }
-
-/**
- * Declare two same keyframes
- * In case that some mobile browsers can continue animation when className changed
- */
-@keyframes van-notice-bar-play {
-  to {
-    transform: translate3d(-100%, 0, 0);
-  }
-}
-
-@keyframes van-notice-bar-play-infinite {
-  to {
-    transform: translate3d(-100%, 0, 0);
-  }
-}