Remove markdown syntax from shell help

Example:

> glab help completion

Results in:

#### Linux
```plaintext
glab completion -s bash > /etc/bash_completion.d/glab
\```

Maybe it's possible to convert that to bash coloring?

Edited Jan 16, 2023 by Vitali Tatarintev

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information