fix(docs): remove duplicate cover image from README

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: DavidsonGomes

README.md

@@ -25,8 +25,6 @@
   <a href="mailto:suporte@evofoundation.com.br">Support</a>
 </p>
 
-<div align="center"><img src="./public/images/cover.png" alt="Evolution API" /></div>
-
 ---
 
 ## About