chore(operations): remove legacy-era platform-operations sources

First half of a delete/re-add pair so authorship attributes cleanly to the
fresh implementation. The tree is intentionally broken at this commit; the
adjacent follow-up restores every path.

app/Platform/Operations/Http/Webhooks/CronJobController.php

@@ -1,23 +0,0 @@
-<?php
-
-namespace App\Platform\Operations\Http\Webhooks;
-
-use App\Platform\Http\Controller;
-use Illuminate\Http\Request;
-use Illuminate\Http\Response;
-use Illuminate\Support\Facades\Artisan;
-
-class CronJobController extends Controller
-{
-    /**
-     * Handle the incoming request.
-     *
-     * @return Response
-     */
-    public function __invoke(Request $request)
-    {
-        Artisan::call('schedule:run');
-
-        return response()->json(['success' => true]);
-    }
-}