Refine README.

README.md

@@ -13,8 +13,6 @@
 [![](https://badgen.net/badge/srs/stackoverflow/orange?icon=terminal)](https://stackoverflow.com/questions/tagged/simple-realtime-server)
 [![](https://opencollective.com/srs-server/tiers/badge.svg)](https://opencollective.com/srs-server/contribute)
 [![](https://ossrs.net/wiki/images/mulan-incubating.svg)](http://mulanos.cn)
-[![](https://img.shields.io/youtube/channel/views/UCP6ZblCL_fIJoEyUzZxC1ng?style=social)](https://www.youtube.com/channel/UCP6ZblCL_fIJoEyUzZxC1ng)
-[![](https://ossrs.net/wiki/images/srs-alternativeto.svg)](https://alternativeto.net/software/srs/about/)
 [![](https://img.shields.io/docker/pulls/ossrs/srs)](https://hub.docker.com/r/ossrs/srs/tags)
 
 SRS/5.0 is a simple, high efficiency and realtime video server, supports RTMP/WebRTC/HLS/HTTP-FLV/SRT.