remove trailing line

RUN_IN_CI.md

@@ -17,4 +17,3 @@ More info on [Github Actions](https://docs.github.com/en/actions/writing-workflo
 Create a new config file in your repository under `.circleci/config.yml`. You can use the provided example [config.yml.example](.circleci/config.yml.example).
 
 You can set environement variable using CircleCI [contexts](https://circleci.com/docs/contexts/#create-and-use-a-context. Alternatively you can use CircleCI [Project's environement variables](https://circleci.com/docs/set-environment-variable/#set-an-environment-variable-in-a-project).
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