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

[Carlos De Maine]

Git commit 8f0ed7775f201988edd12135658bf19d6c5f40c8 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 9e1fb19be36b3559f5e758f70dc84db062b4d432

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

https://invent.kde.org/neon/qt6/qt6-quickeffectmaker/-/commit/8f0ed7775f201988edd12135658bf19d6c5f40c8

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