fix: lint housekeeping

apps/trading/lib/hooks/use-vega-transaction-toasts.tsx

@@ -1,5 +1,5 @@
 import type { ReactNode } from 'react';
-import { useCallback, useMemo } from 'react';
+import { useCallback } from 'react';
 import first from 'lodash/first';
 import compact from 'lodash/compact';
 import type {

libs/ui-toolkit/src/components/toast/toasts-container.tsx

@@ -1,6 +1,5 @@
 import { t, usePrevious } from '@vegaprotocol/react-helpers';
 import classNames from 'classnames';
-import { tr } from 'date-fns/locale';
 import type { Ref } from 'react';
 import { useLayoutEffect, useRef } from 'react';
 import { Button } from '../button';

libs/ui-toolkit/src/components/toast/use-toasts.ts

@@ -12,12 +12,6 @@ const isEqual = (a: Toast, b: Toast) => {
   return h1 === h2;
 };
 
-const sameContent = (a: Toast, b: Toast) => {
-  const h1 = hash(omit(a, 'onClose', 'id'));
-  const h2 = hash(omit(b, 'onClose', 'id'));
-  return h1 === h2;
-};
-
 type State = {
   toasts: Toasts;
   count: number;