Move UpdateEvent to Events and remove unused import

src/TgBotLib/Abstracts/UpdateEvent.php

@@ -1,42 +0,0 @@
-<?php
-
-    namespace TgBotLib\Abstracts;
-
-    use TgBotLib\Bot;
-    use TgBotLib\Enums\EventType;
-    use TgBotLib\Exceptions\TelegramException;
-    use TgBotLib\Objects\Update;
-
-    abstract class UpdateEvent
-    {
-        protected Update $update;
-
-        /**
-         * Constructor for the class.
-         *
-         * @param Update $update The update instance to be used.
-         * @return void
-         */
-        public function __construct(Update $update)
-        {
-            $this->update = $update;
-        }
-
-        /**
-         * Retrieves the event type.
-         * @return EventType The event type of the current instance.
-         */
-        public static function getEventType(): EventType
-        {
-            return EventType::UPDATE_EVENT;
-        }
-
-        /**
-         * Abstract method to handle the bot instance.
-         *
-         * @param Bot $bot The bot instance to be handled.
-         * @return void
-         * @throws TelegramException
-         */
-        public abstract function handle(Bot $bot): void;
-    }