Remove Files from the Staging Area

# Introduction

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<p>🧑‍💻 New to Git or LabEx? We recommend starting with the <b><a style="color: unset;text-decoration: underline;" href="https://labex.io/courses/quick-start-with-git" target="_blank">Quick Start with Git</a></b> course.</p>
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In Git, the staging area is where changes to files are prepared before they are committed to the repository. Sometimes, you may accidentally add files to the staging area that you don't want to commit. In this challenge, you will learn how to remove files from the staging area using Git.