games/pioneer: Update to 0.0.20180203

Changelog:
https://github.com/pioneerspacesim/pioneer/blob/master/Changelog.txt

Additional port changes:

• Removed the patch that has been committed upstream: patch-data_modules_SearchRescue_SearchRescue.lua
• Slight whitespace reformatting.

PR: 225722
Submitted by: lightside <lightside@gmx.com> (maintainer)
Approved by: tcberner (mentor, implicit)