Remove extra margin on members tabs

Changelog: fixed

app/assets/javascripts/members/components/members_tabs.vue

@@ -112,6 +112,7 @@ export default {
 <template>
   <gl-tabs
     v-model="selectedTabIndex"
+    content-class="gl-py-0"
     sync-active-tab-with-query-params
     :query-param-name="$options.ACTIVE_TAB_QUERY_PARAM_NAME"
   >