Remove bold from subtitle in README

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: k4cper-g

README.md

@@ -5,7 +5,7 @@
 </p>
 
 <p align="center">
-  <b>Python SDK for the Computer Use Protocol</b>
+  Python SDK for the Computer Use Protocol
 </p>
 
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