MT#11387 Switch from Pre-Dependency on ngcp-system-tools* to Depends

Since we invoke the ngcp-virt-identify command (see commit
d3001c9e7a which introduced the according Pre-Dependency)
only in the init scripts it's ought to be enough to depend on
the ngcp-system-tools-* package.

Change-Id: Ie88bb50730a4694a565a4cd80ef0d0c1dc5bcf5e

debian/control

@@ -51,9 +51,8 @@ Vcs-Browser: http://svn.debian.org/wsvn/pkg-voip/kamailio/?op=log
 Package: ngcp-kamailio
 Architecture: any
 Multi-Arch: foreign
-Pre-Depends: ngcp-system-tools,
-             ${misc:Pre-Depends}
 Depends: adduser,
+         ngcp-system-tools-ce | ngcp-system-tools,
          python,
          ${misc:Depends},
          ${shlibs:Depends}