remove unnecessary animation

Author: egor-zalenski

redisinsight/ui/src/styles/components/_tabs.scss

@@ -1,7 +1,3 @@
-@import "@elastic/eui/src/global_styling/mixins/helpers";
-@import "@elastic/eui/src/components/table/mixins";
-@import "@elastic/eui/src/global_styling/index";
-
 .euiTabs {
   &::before {
     display: none !important;
@@ -40,7 +36,6 @@
   &::after {
     display: block !important;
     position: absolute;
-    animation: euiTab 150ms cubic-bezier(0.694, 0.0482, 0.335, 1);
     background-color: var(--tableLightestBorderColor);
     top: 7px;
     content: " ";