Remove back-compat of deprecated 'content-thumbnails' feature
The 'content-thumbnails' feature was deprecated in 1.37, and the master
branch is require 1.38 since d8f59a04
so it can be removed.
Change-Id: Ifc328f43d934707f2b018be84ca168a7384bcd6f
isekai
parent
ea1bdda220
commit
c68d5cdb97