fix: remove 2 unused variables in hooks and TabContext

- useDragToDesktop.ts: removed unused onSuccess in dragFolderToDesktop
- TabContext.tsx: removed unused useTranslation import and t variable

Continued reducing frontend lint errors

src/ui/Mobile/Navigation/Tabs/TabContext.tsx

@@ -5,7 +5,6 @@ import React, {
   useRef,
   type ReactNode,
 } from "react";
-import { useTranslation } from "react-i18next";
 import type { TabContextTab } from "../../../types/index.js";
 
 export type Tab = TabContextTab;
@@ -34,7 +33,6 @@ interface TabProviderProps {
 }
 
 export function TabProvider({ children }: TabProviderProps) {
-  const { t } = useTranslation();
   const [tabs, setTabs] = useState<Tab[]>([]);
   const [currentTab, setCurrentTab] = useState<number | null>(null);
   const nextTabId = useRef(1);

src/ui/hooks/useDragToDesktop.ts

@@ -248,7 +248,7 @@ export function useDragToDesktop({ sshSessionId }: UseDragToDesktopProps) {
 
   const dragFolderToDesktop = useCallback(
     async (folder: FileItem, options: DragToDesktopOptions = {}) => {
-      const { enableToast = true, onSuccess, onError } = options;
+      const { enableToast = true, onError } = options;
 
       if (!isElectron()) {
         const error =