Remove commented out line

Author: astapleton

README.md

@@ -3,7 +3,6 @@
 # stm32h5xx-hal
 
 [![docs.rs](https://docs.rs/stm32h5xx-hal/badge.svg)](https://docs.rs/stm32h5xx-hal)
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 [![CI](https://github.com/stm32-rs/stm32h5xx-hal/workflows/Continuous%20integration/badge.svg)](https://github.com/stm32-rs/stm32h5xx-hal/actions)
 [![Crates.io](https://img.shields.io/crates/v/stm32h5xx-hal.svg)](https://crates.io/crates/stm32h5xx-hal)
 ![Minimum rustc version](https://img.shields.io/badge/rustc-1.78.0+-yellow.svg)