usrlocalpkg: update signal-desktop 7.5.1 -> 7.16.0

[niclas]

make the update directly accessible

[wwwutz]

# make install
removed '/usr/local/package/admin/config'
'usrlocalpkg/admin/config' -> '/usr/local/package/admin/config'
removed '/usr/share/man/man1/prun.1'
'prun/prun.1' -> '/usr/share/man/man1/prun.1'
removed '/usr/share/man/man1/ptype.1'
'prun/ptype.1' -> '/usr/share/man/man1/ptype.1'
removed '/usr/share/man/man1/pman.1'
'prun/pman.1' -> '/usr/share/man/man1/pman.1'
# Note: 'ClearMap-2.1.2-0' is set to BUILD.
link /usr/local/package/lib/signal-desktop.profile -> signal-desktop-7.16.0-0.profile