Fix rules for domjudge 8.0

There's no more country flag readme, and the systemd unit file location
has been fixed upstream to install in the correct location
automatically.

Author: ubergeek42

debian/rules

@@ -49,7 +49,7 @@ clean:
 	$(MAKE) distclean
 	# Because the build process overwrites the docs in the tarball,
 	# we remove everything so a second build does not fail. Missing
-	# files are acceptable to dpkg-bp (but triggers warnings) 
+	# files are acceptable to dpkg-bp (but triggers warnings)
 	rm -rf doc/manual/build/
 	dh_clean
 
@@ -71,7 +71,7 @@ install: build
 
 	# clean up docs
 	cd $(DJDC)/usr/share/doc/domjudge-doc && \
-		rm COPYING* README.md README.country_flags ChangeLog
+		rm COPYING* README.md ChangeLog
 
 	# This must be shipped in domjudge-common
 	rm $(DJDS)/etc/domjudge/genrestapicredentials \
@@ -100,9 +100,6 @@ install: build
 	chgrp www-data $(DJDS)/var/log/domjudge/domserver $(DJDS)/var/cache/domjudge
 	chmod 0770 $(DJDS)/var/log/domjudge/domserver $(DJDS)/var/cache/domjudge
 
-	# Fix correct systemd unit file location for Debian systems
-	mv $(DJJH)/usr/lib/systemd/system $(DJJH)/lib/systemd/
-
 	# Fixup sudoers file to match our assumptions for user/chroot location
 	sed -i 's#^root #domjudge #;s# root\\:# domjudge\\:#' $(DJJH)/etc/domjudge/sudoers-domjudge
 	sed -i 's#/\*/proc#/var/lib/domjudge/chroot*/proc#' $(DJJH)/etc/domjudge/sudoers-domjudge