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

[Carlos De Maine]

Git commit 46be3de7fffb8a927c8430c1739623ea50c0c766 by Carlos De Maine.
Committed on 09/01/2025 at 12:31.
Pushed by carlosdem into branch 'Neon/release'.

Revert "fake signing-key.asc"

This reverts commit 509bc7c05dad83d9455b68143822e4b5a16c80f1

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

https://invent.kde.org/neon/qt6/qt6-positioning/-/commit/46be3de7fffb8a927c8430c1739623ea50c0c766

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