Add cosmetic fix in Readme (safe-global#879)

* Add cosmetic fix in Readme

* Remove line

Author: falvaradorodriguez

README.rst

@@ -36,9 +36,8 @@ Clone the repo, then to set it up:
     pre-commit install -f
 
 Add new address for new chains
-~~~~~~~~~~~~~~~~~~~~
-If you want to add Safe Smart Account support for a new chain you must `open a new issue <https://github.com/safe-global/safe-eth-py/issues/new?assignees=&labels=
-add-new-address&projects=&template=add_safe_address_new_chain.yml&title=%5BNew+chain%5D%3A+%7Bchain+name%7D>`_.
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+If you want to add Safe Smart Account support for a new chain you must `open a new issue <https://github.com/safe-global/safe-eth-py/issues/new?assignees=&labels=add-new-address&projects=&template=add_safe_address_new_chain.yml&title=%5BNew+chain%5D%3A+%7Bchain+name%7D>`_.
 
 Once the issue is created or edited, an automatic validation will be executed and a **Pull Request** will be created if everything is ok. Finally, the Safe team will review and merge the automatic **Pull Request** generated from the issue.