remove duplicated animation

Author: Maronato

src/scss/animations/_bounce.scss

@@ -164,21 +164,6 @@ $trans-cubic-bezier: cubic-bezier(0.215, 0.61, 0.355, 1);
   }
 }
 
-@keyframes bounceOutDown {
-  20% {
-    transform: translate3d(0, 10px, 0);
-  }
-  40%,
-  45% {
-    opacity: 1;
-    transform: translate3d(0, -20px, 0);
-  }
-  to {
-    opacity: 0;
-    transform: translate3d(0, 2000px, 0);
-  }
-}
-
 .#{$vt-namespace}__bounce-enter-active {
   &.top-left,
   &.bottom-left {