Update 06-data-fetching-and-streaming.mdx (Removed duplicate word)

[skushagra]

Removed the duplicate to in the document page introduction. The top of the page had a duplicate to making the statement as

This page will walk you through how you can fetch data in [Server Components](https://nextjs.org/docs/app/getting-started/data-fetching-and-streaming#server-components) and [Client Components](https://nextjs.org/docs/app/getting-started/data-fetching-and-streaming#client-components). As well as how to to [stream](https://nextjs.org/docs/app/getting-started/data-fetching-and-streaming#streaming) content that depends on data

Corrected statement

This page will walk you through how you can fetch data in [Server Components](https://nextjs.org/docs/app/getting-started/data-fetching-and-streaming#server-components) and [Client Components](https://nextjs.org/docs/app/getting-started/data-fetching-and-streaming#client-components). As well as how to [stream](https://nextjs.org/docs/app/getting-started/data-fetching-and-streaming#streaming) content that depends on data

Closes: #74870
Closes: #75154

[ijjk]

Allow CI Workflow Run

• approve CI run for commit: e1cba0a

Note: this should only be enabled once the PR is ready to go and can only be enabled by a maintainer