remove LO related line

Signed-off-by: Kristof Gyuracz <kristof.gyuracz@gmail.com>

README.md

@@ -100,7 +100,6 @@ make undeploy
 If you find this project useful, help us:
 
 - Support the development of this project and star this repo! :star:
-- If you use the Logging operator in a production environment, add yourself to the list of production [adopters](https://github.com/kube-logging/logging-operator/blob/master/ADOPTERS.md).:metal: <br> 
 - Help new users with issues they may encounter :muscle:
 - Send a pull request with your new features and bug fixes :rocket: