Small packaging clean

Use not-installed instead of fiddling in debian/rules.

debian/not-installed

@@ -1,2 +1,3 @@
 
+usr/lib/*/*.la
 usr/share/licenses/jose/COPYING

debian/rules

@@ -10,8 +10,5 @@ include /usr/share/dpkg/buildflags.mk
 override_dh_auto_install:
 	dh_auto_install
 
-	# Remove useless files
-	rm -f debian/tmp/usr/lib/*/*.la
-
 override_dh_missing:
 	dh_missing --fail-missing