[neon/qt6/qt6-sensors/Neon/release] debian/upstream: Revert "fake signing-key.asc"

[Carlos De Maine]

Git commit e51afaad34148dc332a58da7ad298c6ff7a18741 by Carlos De Maine.
Committed on 09/01/2025 at 12:32.
Pushed by carlosdem into branch 'Neon/release'.

Revert "fake signing-key.asc"

This reverts commit ea99c730f65a8224fdbe8b972153b0794eaf046c

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

https://invent.kde.org/neon/qt6/qt6-sensors/-/commit/e51afaad34148dc332a58da7ad298c6ff7a18741

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