Remove the extra "Thanks a lot"

Author: nnyyxxxx

README.md

@@ -23,7 +23,7 @@ curl -fsSL https://christitus.com/linux | sh
 To morally and mentally support the project, make sure to leave a ⭐️!
 
 ## 🏅 Thanks to all Contributors
-Thanks a lot for spending your time helping Linutil grow. Thanks a lot! Keep rocking 🍻.
+Thanks a lot for spending your time helping Linutil grow. Keep rocking 🍻.
 
 [![Contributors](https://contrib.rocks/image?repo=ChrisTitusTech/linutil)](https://github.com/ChrisTitusTech/linutil/graphs/contributors)