删除ubuntu专版安装包

new-deb-build/DEBIAN/postinst

@@ -20,6 +20,6 @@ ln -s /opt/apps/com.gitee.uengine.runner.spark/files/root-uengine
 ln -s /opt/apps/com.gitee.uengine.runner.spark/files/uengine-runner-applist-launch.sh /usr/bin/uengine-runner-applist-launch.sh
 # 刷新图标缓存
 # 因为 Ubuntu 的问题，省略
-gtk-update-icon-cache /usr/share/icons/bloom | true
+gtk-update-icon-cache /usr/share/icons/bloom > /dev/null | true
 # 向服务器返回安装数加1（不显示内容且忽略错误）
 curl http://120.25.153.144/uengine-runner/Install.php?Version=1.6.2 -s > /dev/null | true