specfile: Drop user-add depedency from quadlet subpackage.
This is not needed since we dropped the quadlet user.
[NO NEW TESTS NEEDED] This just changes the build.
@@ -144,7 +144,6 @@ connections as well.
%package quadlet
Summary: Easily create systemd services using %{name}
Requires: %{name} = %{epoch}:%{version}-%{release}
-Requires(pre): /usr/sbin/useradd
Conflicts: quadlet
%description quadlet
