docs: Remove accidental extra ``` in QuickStart doc. (#16740)

Description: One too many set of triple-ticks in a sample code block in
the QuickStart doc was causing "\`\`\`shell" to appear in the shell
command that was being demonstrated. I just deleted the extra "```".
Issue: Didn't see one
Dependencies: None
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Hank 2024-01-29 16:55:26 -05:00 committed by GitHub
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commit 6d6226d96d
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@ -184,7 +184,6 @@ A Retriever can be backed by anything - a SQL table, the internet, etc - but in
First, we need to load the data that we want to index. In order to do this, we will use the WebBaseLoader. This requires installing [BeautifulSoup](https://beautiful-soup-4.readthedocs.io/en/latest/):
```
```shell
pip install beautifulsoup4
```