Debian: explicitly disable systemd

Debian tries to use sysvinit alongside systemd.
We are not ready for such mixed configuration yet.
See https://github.com/tarantool/tarantool/issues/1291

debian/rules

@@ -10,7 +10,9 @@ DEB_CMAKE_EXTRA_FLAGS := \
 	-DCMAKE_INSTALL_SYSCONFDIR=/etc \
 	-DCMAKE_INSTALL_LOCALSTATEDIR=/var \
 	-DENABLE_BUNDLED_LIBYAML=OFF \
-	-DENABLE_DIST=ON
+	-DENABLE_DIST=ON \
+	-DWITH_SYSVINIT=ON \
+	-DWITH_SYSTEMD=OFF
 
 DEB_DH_INSTALLINIT_ARGS := --name=tarantool