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

[Carlos De Maine]

Git commit 367272a2bd79d5cfdf29fcd045715f9909c6510b by Carlos De Maine.
Committed on 09/01/2025 at 12:30.
Pushed by carlosdem into branch 'Neon/release'.

Revert "fake signing-key.asc"

This reverts commit 27ca2fd71c6feb54bb5fbb8d4a3b9b5c44491145

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

https://invent.kde.org/neon/qt6/qt6-multimedia/-/commit/367272a2bd79d5cfdf29fcd045715f9909c6510b

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