Update README.md

Author: gcasa

README.md

@@ -60,12 +60,4 @@ Copying and distribution of this file, with or without modification,
 are permitted in any medium without royalty provided the copyright
 notice and this notice are preserved.
 
-## Star History
-
-<a href="https://www.star-history.com/#gnustep/libs-xcode&Date">
- <picture>
-   <source media="(prefers-color-scheme: dark)" srcset="https://api.star-history.com/svg?repos=gnustep/libs-xcode&type=Date&theme=dark" />
-   <source media="(prefers-color-scheme: light)" srcset="https://api.star-history.com/svg?repos=gnustep/libs-xcode&type=Date" />
-   <img alt="Star History Chart" src="https://api.star-history.com/svg?repos=gnustep/libs-xcode&type=Date" />
- </picture>
 </a>