Remove Act, AutoUpdater, and Book IPC modules alongside associated database logic.

components/editor/DraftCompanion.tsx

@@ -1,3 +1,4 @@
+import {fetch} from "@tauri-apps/plugin-http";
 import React, {ChangeEvent, useContext, useEffect, useState} from "react";
 import {Editor, EditorContent, useEditor} from "@tiptap/react";
 import StarterKit from "@tiptap/starter-kit";