Fix pytensor_cache clear

Bug introduced by 671a821

Author: ricardoV94

pytensor/link/c/cmodule.py

@@ -806,7 +806,7 @@ def rmtree_empty(*args, **kwargs):
                 to_delete_empty.append((args, kwargs))
 
         # add entries that are not in the entry_from_key dictionary
-        time_now = time.perf_counter()
+        time_now = time.time()
         # Go through directories in alphabetical order to ensure consistent
         # behavior.
         try: