debian/nxagent.*: Drop conffile /etc/nxagent/rgb utilizing dpkg-maintscript-helper.

debian/control

@@ -39,6 +39,8 @@ Vcs-Browser: https://github.com/ArcticaProject/nx-libs/
 Package: nx-x11-common
 Architecture: all
 Multi-Arch: foreign
+Pre-Depends:
+ dpkg (>= 1.15.7.2),
 Depends:
  ${misc:Depends},
 Breaks: nxlibs (<= 3.5.1),

debian/nxagent.install

 etc/nxagent/keystrokes.cfg
-etc/nxagent/rgb
-usr/share/nx/rgb
 usr/share/nx/VERSION.nxagent
 usr/share/man/man1/nxagent.1*
 usr/lib/*/nx/bin/nxagent

debian/nxagent.postinst

+#!/bin/sh
+
+set -e
+
+dpkg-maintscript-helper rm_conffile \
+    /etc/nxagent/rgb "2:3.5.99.4-999" nxagent -- "$@"
+
+#DEBHELPER#

debian/nxagent.postrm

+#!/bin/sh
+
+set -e
+
+dpkg-maintscript-helper rm_conffile \
+    /etc/nxagent/rgb "2:3.5.99.4-999" nxagent -- "$@"
+
+#DEBHELPER#

debian/nxagent.preinst

+#!/bin/sh
+
+set -e
+
+dpkg-maintscript-helper rm_conffile \
+    /etc/nxagent/rgb "2:3.5.99.4-999" nxagent -- "$@"
+
+#DEBHELPER#