[doc] remove discontinued sponsorship

Author: asciimoo

README.md

@@ -15,21 +15,6 @@ With Colly you can easily extract structured data from websites, which can be us
 [![Twitter URL](https://img.shields.io/badge/twitter-follow-green.svg)](https://twitter.com/gocolly)
 
 
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-
-## Sponsored by CyberYozh
-
-<a href="https://app.cyberyozh.com/?utm_source=github&utm_medium=colly" target="_blank" alt="CyberYozh Sponsor Logo"><img src="assets/cyberyozh.png"></a>
-
-__CyberYozh App__ — Fast proxies, clean IPs, flexible API  Infrastructure for developers who need privacy & control.
-Across-platform infrastructure for developers working with multi-accounting, testing, and network automation.  Fast proxies, clean IPs, flexible API.
-
-- *Mobile / Residential / Datacenter Proxies* — real IPs from dozens of countries
-- *Virtual & Real SIM Numbers* — automated SMS verification
-- *API / Web UI / SDK* — integration with any projects and anti-detect environments
-- *Unlimited usage, high speed, 99.9% uptime*
-
-
 ## Features
 
 -   Clean API