Fix build errors: remove unused useLocation and invalid pdfjs option

Author: Test User

src/App.tsx

@@ -14,7 +14,7 @@ import {
   RotateCw, Type, Hash, Tags, FileText, ArrowUpDown, PenTool, 
   Wrench, ImagePlus, FileImage, Palette, X, ChevronDown
 } from 'lucide-react'
-import { HashRouter, Routes, Route, useNavigate, useLocation } from 'react-router-dom'
+import { HashRouter, Routes, Route, useNavigate } from 'react-router-dom'
 import { Toaster, toast } from 'sonner'
 import { Capacitor } from '@capacitor/core'
 import { Filesystem } from '@capacitor/filesystem'

src/utils/pdfHelpers.ts

@@ -305,7 +305,6 @@ export const unlockPdf = async (file: File, password: string): Promise<PdfMetaDa
       password: password,
       cMapUrl: getCMapUrl(),
       cMapPacked: true,
-      ignoreEncryption: false,
     });
 
     const pdf = await loadingTask.promise;