Ticket #2871: remove the empty contrib/dist/debian/

It was empty and the up-to-date Debian packaging is anyway
maintained separately in Debian.

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>

configure.ac

@@ -515,7 +515,6 @@ Makefile
 
 contrib/Makefile
 contrib/dist/Makefile
-contrib/dist/debian/Makefile
 contrib/dist/gentoo/Makefile
 contrib/dist/redhat/Makefile
 contrib/dist/redhat/mc.spec

contrib/dist/Makefile.am

@@ -1,4 +1,4 @@
-SUBDIRS = debian gentoo redhat
+SUBDIRS = gentoo redhat
 
 
 AUTOMAKE_OPTIONS = 1.5

contrib/dist/debian/Makefile.am

@@ -1 +0,0 @@
-