There is no need to have use/is in the final name. This is implicitly
represented by the checkbox already.

This does not change the Python API, only the names we show in the user
interface.

• Is Library Overridable -> Library Overridable
• Use Soft Limits -> Soft Limits

Before:

After:

My main motivation for this is the Library overrides by the way. But while there may as well change the soft limits as well.

What I wonder if we should also rename "Soft Min" to "Min".