Merge ~cjwatson/launchpad:snap-base-features-stale-comment into launchpad:master

[Colin Watson]

snappy: Remove stale XXX comment

This was fixed in https://code.launchpad.net/~andrey-fedoseev/launchpad/+git/launchpad/+merge/431544.

[Ines Almeida (ines-almeida)]

The lint build failed, but it seems like a random failure

review: Approve

diff --git a/lib/lp/snappy/adapters/buildarch.py b/lib/lp/snappy/adapters/buildarch.py
index d2dc8fd..bd36747 100644
--- a/lib/lp/snappy/adapters/buildarch.py
+++ b/lib/lp/snappy/adapters/buildarch.py
@@ -226,10 +226,6 @@ def determine_architectures_to_build(
         # architecture; this is ambiguous and forbidden by snapcraft prior
         # to core22. Checking this here means that we don't get duplicate
         # supported_arch results below.
-
-        # XXX andrey-fedoseev 2022-08-22: we should use the `SnapBase` model
-        # to store the specific features of each base rather than hard-coding
-        # the base names here
         build_ons = Counter()
         for arch in architectures:
             build_ons.update(arch.build_on)