Merge pull request #948 from planetlabs/update-pip-install-docs-947

Removed the --pre flag for the install command.

docs/get-started/quick-start-guide.md

@@ -22,11 +22,9 @@ Yes. Even if you’re not writing code—and only using the "no code" CLI part o
 Install the Planet SDK for Python using [pip](https://pip.pypa.io):
 
 ```console
-$ pip install planet --pre --user
+$ pip install planet
 ```
 
-The [--user](https://pip.pypa.io/en/stable/user_guide/#user-installs) flag ensures the Python packages are installed relative to your user home folder. It is recommended for those new to pip.
-
 ## Step 3: Check the Planet SDK for Python version
 
 ```console