[neon/backports-noble/mlt-noble/Neon/release] debian/upstream: Revert "add a fake signing key"

[Carlos De Maine]

Git commit ab90dc31ffb5db04b3142482677a52fad9accc82 by Carlos De Maine.
Committed on 03/12/2025 at 02:32.
Pushed by carlosdem into branch 'Neon/release'.

Revert "add a fake signing key"

This reverts commit e26c26a225f29cdb737fdd8a2fc38d74aa956897

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

https://invent.kde.org/neon/backports-noble/mlt-noble/-/commit/ab90dc31ffb5db04b3142482677a52fad9accc82

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