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

[Carlos De Maine]

Git commit 2a71b4843cfebe5a7477bce10b4880515e3d22ea by Carlos De Maine.
Committed on 09/01/2025 at 12:40.
Pushed by carlosdem into branch 'Neon/release'.

Revert "fake signing-key.asc"

This reverts commit 52f61d8d48e7aac2e0f4c86cbc0828e4890187ac

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

https://invent.kde.org/neon/qt6/qt6-webchannel/-/commit/2a71b4843cfebe5a7477bce10b4880515e3d22ea

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