Remove darglint-related stuff

`darglint` was replaced by `pydoclint` a while ago, so we don't need
this stuff anymore.

Signed-off-by: Leandro Lucarella <[email protected]>

Author: llucax

.darglint

@@ -63,7 +63,6 @@ def calculate_next_tick_time(
             The next tick time (in microseconds) according to
                 `missed_tick_policy`.
         """
-        return 0  # dummy value to avoid darglint warnings
 
     def __repr__(self) -> str:
         """Return a string representation of the instance.