修复推送报错:确定为服务端没有安装webman/push扩展，移除冗余代码

app/process/WebmanPushServer.php

@@ -1,41 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace app\process;
-
-use support\Log;
-use Throwable;
-use Webman\Push\Server;
-use Workerman\Timer;
-use Workerman\Worker;
-
-/**
- * Workerman 5 在 Fiber 中拉起 Push 时，内嵌 HTTP API（默认 3232）可能与事件循环初始化时序冲突，导致本机无法连接、业务 trigger 全部失败。
- * 延后一拍再 listen；Timer 第四参数须为 false，否则会按 repeat 每 0.01s 重复创建 Worker。
- */
-final class WebmanPushServer extends Server
-{
-    public function onWorkerStart($worker): void
-    {
-        $apiListen = $this->apiListen;
-        $self = $this;
-        Timer::add(
-            0.01,
-            static function () use ($apiListen, $self): void {
-                try {
-                    $apiWorker = new Worker($apiListen);
-                    $apiWorker->onMessage = [$self, 'onApiClientMessage'];
-                    $apiWorker->listen();
-                } catch (Throwable $e) {
-                    Log::error('WebmanPushServer HTTP API listen failed: ' . $e->getMessage());
-                }
-            },
-            [],
-            false
-        );
-
-        Timer::add($this->keepAliveTimeout / 2, [$this, 'checkHeartbeat']);
-        Timer::add($this->webHookDelay, [$this, 'webHookCheck']);
-    }
-}