Fix timer counting twice

utils/timing.py

@@ -36,7 +36,6 @@ class Timer():
     def __exit__(self, type, value, traceback):
         end_time = time.time()
         elapsed_time = end_time - self.start_time
-        Timer.total += elapsed_time
         self.display.empty()
         if self.portuguese:
             Timer.expander.info(f'"{self.pt_name}" terminou em {elapsed_time:.2f} s')