TT#53701 Rename systemd tmpfile

This makes the file not have a very confusing name, and delegates the
responsibility of installing to debhelper.

Change-Id: I8a73e750bea8dd7ffe76674bb23aab412b3edc51

debian/ngcp-panel.install

@@ -1,4 +1,3 @@
-debian/ngcp-panel.conf usr/lib/tmpfiles.d/
 lib/NGCP/Panel/I18N/*	usr/share/perl5/NGCP/Panel/I18N
 logging.conf		etc/ngcp-panel/
 ngcp_panel.conf		etc/ngcp-panel/