chore: remove CI status badges (GH Actions throttle makes them misleading)

Author: Dicklesworthstone

README.md

@@ -9,7 +9,6 @@
 </p>
 
 <p align="center">
-  <a href="https://github.com/Dicklesworthstone/coding_agent_usage_tracker/actions/workflows/ci.yml"><img src="https://github.com/Dicklesworthstone/coding_agent_usage_tracker/actions/workflows/ci.yml/badge.svg" alt="CI"></a>
   <a href="https://opensource.org/licenses/MIT"><img src="https://img.shields.io/badge/License-MIT%2BOpenAI%2FAnthropic%20Rider-blue.svg" alt="License: MIT+Rider"></a>
   <a href="https://www.rust-lang.org"><img src="https://img.shields.io/badge/rust-1.88%2B-orange.svg" alt="Rust 1.88+"></a>
 </p>