Unify installation paths

Have all the extra files in a tree under debian/ so it can easily
be installed.

(No change to generated packages.)

debian/aoetools.install

@@ -1,2 +1,2 @@
-debian/60-aoe.rules                 usr/lib/udev/rules.d/
-debian/modules-load.d/aoetools.conf usr/lib/modules-load.d/
+
+debian/usr/ /

debian/rules

@@ -5,11 +5,6 @@ export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 %:
 	dh $@ --with systemd
 
-override_dh_auto_install:
-	$(MAKE) install PREFIX=debian/aoetools
-	install -D debian/hooks_aoe debian/aoetools/usr/share/initramfs-tools/hooks/aoe
-	install -D debian/local-top_aoe debian/aoetools/usr/share/initramfs-tools/scripts/local-top/aoe
-
 override_dh_installchangelogs:
 	dh_installchangelogs NEWS