d/rules: use default minimal rules

tested by checking both results with diffoscope

Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>

debian/docs

@@ -1 +1,2 @@
 debian/SOURCE
+README

debian/rules

@@ -11,82 +11,5 @@
 # always return the default without waiting for user input.
 export PERL_MM_USE_DEFAULT=1
 
-PACKAGE=$(shell dh_listpackages)
-
-ifndef PERL
-PERL = /usr/bin/perl
-endif
-
-TMP     =$(CURDIR)/debian/$(PACKAGE)
-
-# Allow disabling build optimation by setting noopt in
-# $DEB_BUILD_OPTIONS
-CFLAGS = -Wall -g
-ifneq (,$(findstring noopt,$(DEB_BUILD_OPTIONS)))
-        CFLAGS += -O0
-else
-        CFLAGS += -O2
-endif
-
-build: build-stamp
-build-stamp:
-	dh_testdir
-
-	# Add commands to compile the package here
-	$(PERL) Makefile.PL INSTALLDIRS=vendor
-	$(MAKE) OPTIMIZE="$(CFLAGS)" LD_RUN_PATH=""
-
-	touch build-stamp
-
-clean:
-	dh_testdir
-	dh_testroot
-
-	# Add commands to clean up after the build process here
-	[ ! -f Makefile ] || $(MAKE) realclean
-
-	dh_clean build-stamp install-stamp
-
-install: build install-stamp
-install-stamp:
-	dh_testdir
-	dh_testroot
-	dh_prep
-
-	# Add commands to install the package into debian/$PACKAGE_NAME here
-	$(MAKE) test
-	$(MAKE) install DESTDIR=$(TMP) PREFIX=/usr
-
-	touch install-stamp
-
-# Build architecture-independent files here.
-binary-indep: build install
-# We have nothing to do by default.
-
-# Build architecture-dependent files here.
-binary-arch: build install
-	dh_testdir
-	dh_testroot
-	dh_installdocs README
-	dh_installexamples 
-#	dh_installmenu
-#	dh_installcron
-#	dh_installman
-	dh_installchangelogs Changes
-	dh_link
-	dh_strip
-	dh_compress
-	dh_fixperms
-	dh_makeshlibs
-	dh_installdeb
-	dh_perl 
-	dh_shlibdeps
-	dh_gencontrol
-	dh_md5sums
-	dh_builddeb
-
-source diff:                                                                  
-	@echo >&2 'source and diff are obsolete - use dpkg-source -b'; false
-
-binary: binary-indep binary-arch
-.PHONY: build clean binary-indep binary-arch binary
+%:
+	dh $@