Anton Hansson 7ede3dd2b3 Remove obsolete subdirs and optional_subdirs
I was looking for documentation of what these mean, but discovered
that these attributes have been obsolete for years.

Test: m
Change-Id: Ifcf47e99d22b1546780968d1030f835173612a27
Merged-In: Ifcf47e99d22b1546780968d1030f835173612a27
2020-02-19 15:27:58 +00:00
..