[Python] Don't bundle plasma-store-server in pyarrow conda package

[asfimport]

We currently have it in the arrow-cpp and the pyarrow conda package, we should only have it in arrow-cpp as this is always there and also the source of the binary.

Reporter: Uwe Korn / @xhochy
Assignee: Uwe Korn / @xhochy

Related issues:

• [Python] Don't double-package plasma-store-server (duplicates)

_{Note: This issue was originally created as ARROW-10253. Please see the migration documentation for further details.}

[asfimport]

Todd Farmer / @toddfarmer:
Transitioning issue from Resolved to Closed to based on resolution field value.