chore(lint): remove ESLint configuration file and update lint scripts

- Deleted the .eslintrc.cjs file to simplify configuration management.
- Updated lint scripts in package.json to remove unnecessary extensions for linting.
- Added new devDependencies for ESLint and globals to enhance linting capabilities.

electron/main/ipc-handlers.ts

@@ -11,7 +11,7 @@ import {
   hasApiKey,
   saveProvider,
   getProvider,
-  getAllProviders,
+
   deleteProvider,
   setDefaultProvider,
   getDefaultProvider,