feat(perms): remove deprecated demote user feature

Signed-off-by: miguel456 <me@nogueira.codes>

app/Http/Controllers/UserController.php

@@ -480,47 +480,6 @@ class UserController extends Controller
             ->with('error', 'This user does not have two-factor authentication enabled.');
     }
 
-
-    /**
-     * Demote the given user's privileges
-     *
-     * @deprecated This method is being removed in a future version
-     * @param Request $request
-     * @param User $user
-     * @return \Illuminate\Http\RedirectResponse
-     * @throws \Illuminate\Auth\Access\AuthorizationException
-     */
-    public function terminate(Request $request, User $user)
-    {
-        $this->authorize('terminate', User::class);
-        if (config('demo.is_enabled')) {
-            return redirect()
-                ->back()
-                ->with('error', __('This feature is disabled'));
-        }
-
-        // TODO: move logic to policy
-        if (! $user->isStaffMember() || $user->is(Auth::user())) {
-            $request->session()->flash('error', __('You cannot terminate this user.'));
-
-            return redirect()->back();
-        }
-
-        foreach ($user->roles as $role) {
-            if ($role->name == 'user') {
-                continue;
-            }
-
-            $user->removeRole($role->name);
-        }
-
-        Log::info('User '.$user->name.' has just been demoted.');
-        $request->session()->flash('success', __('User terminated successfully.'));
-
-        //TODO: Dispatch event
-        return redirect()->back();
-    }
-
     /**
      * Suspend the given user
      *