[neon/backports-noble/qt-advanced-docking-system-noble/Neon/release] debian/upstream: Revert "fake signing-key.asc"

[Carlos De Maine]

Git commit 678193bf34ed3c50a132e8aca1704ec79d6dd763 by Carlos De Maine.
Committed on 09/03/2025 at 06:50.
Pushed by carlosdem into branch 'Neon/release'.

Revert "fake signing-key.asc"

This reverts commit 9942c1aa5adc494c196419f9f325726ed48c456f

D  +0    -0    debian/upstream/signing-key.asc

https://invent.kde.org/neon/backports-noble/qt-advanced-docking-system-noble/-/commit/678193bf34ed3c50a132e8aca1704ec79d6dd763

diff --git a/debian/upstream/signing-key.asc b/debian/upstream/signing-key.asc
deleted file mode 100644
index e69de29..0000000