refactor: remove models snapshot feature and related code

- Remove models snapshot UI section from Models page
- Delete models API route handler and related logic
- Remove models store implementation and exports
- Clean up internationalization messages for removed feature
- Update main entry point exports to exclude models store

dist-electron/main/main.js

@@ -1,6 +1,6 @@
 "use strict";
 require("electron");
-require("./main-XRVcGPgv.js");
+require("./main-Bc3HYL6W.js");
 require("electron-squirrel-startup");
 require("electron-log");
 require("bytenode");