Don't generate do-tests

testing/Makefile.am

@@ -1,11 +1,3 @@
-noinst_SCRIPTS = do-tests
-CLEANFILES = do-tests
-EXTRA_DIST = do-tests.in make-testing start-testing stop-testing \
+EXTRA_DIST = do-tests make-testing start-testing stop-testing \
              testing.conf ssh_config hosts images scripts tests INSTALL README
 
-do-tests : do-tests.in
-	sed \
-	-e "s:\@routing_table\@:$(routing_table):" \
-	$(srcdir)/$@.in > $@
-	chmod +x $@
-