Remove verbiage in README.

README.md

@@ -50,7 +50,7 @@ Many of these variables are undocumented because the bot is meant for personal u
 
 5. **Run the bot**
 
-Either build the Dockerfile, or to run locally do: `bundle exec ruby --yjit core.rb`.
+Either build the Dockerfile, or do: `bundle exec ruby core.rb`.
 
 ## ToS and Privacy Policy