Bump debhelper from old 10 to 12.

Changes-By: lintian-brush
Fixes: lintian: package-uses-old-debhelper-compat-version
See-also: https://lintian.debian.org/tags/package-uses-old-debhelper-compat-version.html

debian/compat

-10
+12

debian/control

@@ -2,7 +2,7 @@ Source: replds
 Section: net
 Priority: extra
 Maintainer: Autistici/Inventati <debian@autistici.org>
-Build-Depends: debhelper (>= 8.0.0), golang-any (>= 1.14), dh-golang, debhelper (>= 9.20160709~) | debhelper-compat | dh-sequence-systemd |  | dh-systemd
+Build-Depends: debhelper (>= 12~), golang-any (>= 1.14), dh-golang
 Standards-Version: 3.9.4
 
 Package: replds

debian/rules

@@ -8,7 +8,7 @@ export DH_GOPKG = git.autistici.org/ai3/tools/replds
 export DH_GOLANG_EXCLUDES = vendor
 
 %:
-	dh $@ --with golang --with systemd --buildsystem golang
+	dh $@ --with golang --buildsystem golang
 
 override_dh_auto_build:
 	dh_auto_build