Update README.md

Author: ghostctrl

README.md

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 # null.hack RPG
-Null.hack RPG is a cyberpunk horror roleplaying game for use with the Mothership RPG (and using the Panic! Engine). It is currently in beta. You can visit it's website [here.](https://ghostctrl.github.io/null.hack/)
+Null.hack RPG is a cyberpunk horror roleplaying game for use with the Mothership RPG. It is currently in beta.
 
 ![Null-hack-logo-header.svg](https://gist.githubusercontent.com/ghostctrl/e89bec45cce95aecbcdf397a6a262cfc/raw/7d6d200613487deaf286662a2f963b62b8fb8c0c/null-hack-logo-header-night.svg?sanitize=true)