Use debhelper builtin meson support

Signed-off-by: Frédéric Danis <frederic.danis@collabora.com>

debian/rules

@@ -6,22 +6,8 @@
 # see FEATURE AREAS in dpkg-buildflags(1)
 #export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 
-export BUILDDIR=obj-${DEB_HOST_GNU_TYPE}
-
 # Work around for debian #873831
 export LC_ALL=C.UTF-8
 
 %:
-	dh $@
-
-override_dh_auto_configure:
-	meson --buildtype=plain --prefix=/usr \
-	      --sysconfdir=/etc --localstatedir=/var \
-	      --libexecdir=/usr/lib/apertis-hawkbit-agent \
-	      ${BUILDDIR}
-
-override_dh_auto_build:
-	ninja -v -C ${BUILDDIR}
-
-override_dh_auto_install:
-	DESTDIR=${PWD}/debian/apertis-hawkbit-agent ninja install -v -C ${BUILDDIR}
+	dh $@ --buildsystem=meson