Remove unnecessary super().__init__() call

The class doesn't derive from another class, so this call is
unnecessary.

Signed-off-by: Sahas Subramanian <[email protected]>

Author: shsms

src/frequenz/sdk/microgrid/_power_distributing/_distribution_algorithm/_battery_distribution_algorithm.py

@@ -370,8 +370,6 @@ def __init__(self, distributor_exponent: float = 1) -> None:
             ValueError: If distributor_exponent < 0
 
         """
-        super().__init__()
-
         if distributor_exponent < 0:
             raise ValueError("Distribution factor should be float >= 0.")
         self._distributor_exponent: float = distributor_exponent