Cleanup tests better

Former-commit-id: 810032ed56b913ec4e772fa707d6fb8f6941dfab

tools/selective_cfi/tests/test_dude.sh

@@ -64,7 +64,7 @@ clean()
 {
 	rm out
 	rm correct
-	rm -Rf dude.exe* peasoup_exe* libfoo.so libfoo.so.orig libfoo.so.cfi libdude.so.* 
+	rm -Rf dude.exe* peasoup_exe* lib*.so*
 }
 
 report ()