Update README.md

Remove the citation section in Readme.

README.md

@@ -186,14 +186,3 @@ The use of Large Vision and Language Models involves risks and ethical considera
 - 📄 Get started with tutorials, best practices, and prompt engineering advice: https://www.ibm.com/granite/docs/
 - 💡 Learn about the latest Granite learning resources: https://ibm.biz/granite-learning-resources
 
-<!-- ## Citation
-```
-@misc{granite-models,
-  author = {author 1, author2, ...},
-  title = {},
-  journal = {},
-  volume = {},
-  year = {2024},
-  url = {https://arxiv.org/abs/0000.00000},
-}
-``` -->