build: remove non-existent targets from clean rule

Author: acuD1

Makefile

@@ -149,6 +149,6 @@ rempio2_test: tests/rempio2_test.o libm.o
 	$(CC) $(LDFLAGS) -o $@ $^ $(LIBS)
 
 clean:
-	rm -f *.o *.d *~ tests/*.o tests/*.d tests/*~ test_builtin.bin mqjs_stdlib mqjs_stdlib.h mquickjs_build_atoms mquickjs_atom.h mqjs_example example_stdlib example_stdlib.h $(PROGS) $(TEST_PROGS)
+	rm -f *.o *.d *~ tests/*.o tests/*.d tests/*~ test_builtin.bin mqjs_stdlib mqjs_stdlib.h mquickjs_atom.h example_stdlib example_stdlib.h $(PROGS) $(TEST_PROGS)
 
 -include $(wildcard *.d)