Update react-intro.mdx

Author: ajay-dhangar

docs/react/react-intro.mdx

@@ -1,7 +1,6 @@
 ---
 id: react-intro
 title: Welcome to React
-sidebar_label: Welcome
 sidebar_position: 2
 description: Development and implementation the API of interaction of two sites 
 tags: [React, JavaScript library, User interfaces, Virtual DOM, Declarative syntax, UI components, Web development, Front-end, Single-page applications, Performance optimization, State management, Component-based architecture, JavaScript framework]
@@ -58,4 +57,4 @@ Here are some additional resources to help you learn React:
 
 Remember, practice is key to mastering React. Explore and build various projects to gain hands-on experience and improve your React skills.
 
-Start your journey with React today and enjoy building awesome web applications with ease! If you have any questions or need assistance, feel free to reach out to us. We're here to help you succeed with React.
+Start your journey with React today and enjoy building awesome web applications with ease! If you have any questions or need assistance, feel free to reach out to us. We're here to help you succeed with React.