docs: "Installing from sources" duplicated steps

[WofWca]

Describe the issue

https://docs.weblate.org/en/latest/admin/install/source.html#installing-from-sources

It says

Please follow the installation instructions for your system first:

but on the linked pages it looks like it lists the full instructions and not some intermediate steps, which makes it look like you have to set up two instances of Weblate, because you have to follow https://docs.weblate.org/en/latest/admin/install/source.html#installing-from-sources after following OS-specific instructions.

I already tried

• I've read and searched the documentation.
• I've searched for similar issues in this repository.

Steps to reproduce the behavior

No response

Expected behavior

Perhaps the OS-specific links are supposed to just show how to install dependencies and virtualenv?

Screenshots

No response

Exception traceback

No response

How do you run Weblate?

Git checkout

Weblate versions

No response

Weblate deploy checks

No response

Additional context

No response

[nijel]

The intention is that you first install Weblate from a package and then upgrade it to the Git checkout in the next step. The prior Weblate installation using pip is harmless, as it's upgraded later.

[github-actions]

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