[ci-skip] fix: repo footer

Author: prplwtf

README.md

@@ -25,6 +25,6 @@ cargo run
 
 <br/><br/>
 <p align="center">
-  $\color{#4b4950}{\textsf{© 2024-2025 Emma (prpl.wtf) and 0x7d8}}$
+  © 2024-2025 Emma (prpl.wtf) and 0x7d8
   <br/><br/><img src="https://github.com/user-attachments/assets/ea44ca4a-c256-4e1c-9363-a6a7a3db9a80"/>
 </p>