Revert "Merge pull request frequenz-floss#18 from camille-bouvy-frequ…

…enz/energy-type"

This reverts commit e2e84c5, reversing
changes made to e28559f.

Signed-off-by: camille-bouvy-frequenz <camille.bouvy@frequenz.com>

RELEASE_NOTES.md

@@ -16,7 +16,6 @@ Commiting the API definitions and preparing the repo to the pass all CI tests.
 - Commiting the electricity trading api specs.
 - Rename PublicOrders to PublicTrades
 - Add a python client with pyton wrappers for methods & classes and support for streaming orders.
-- Add unit conversion methods to the Energy type
 
 ## Bug Fixes
 

py/frequenz/client/electricity_trading/_types.py

@@ -144,46 +144,6 @@ def to_pb(self) -> energy_pb2.Energy:
         decimal_mwh.value = str(self.mwh)
         return energy_pb2.Energy(mwh=decimal_mwh)
 
-    def as_watt_hours(self) -> Decimal:
-        """Return the energy in watt hours.
-
-        Returns:
-            The energy in watt hours.
-        """
-        return self.mwh * Decimal(1e6)
-
-    def as_kilowatt_hours(self) -> Decimal:
-        """Return the energy in kilowatt hours.
-
-        Returns:
-            The energy in kilowatt hours.
-        """
-        return self.mwh * Decimal(1e3)
-
-    @classmethod
-    def from_watt_hours(cls, watt_hours: Decimal) -> Self:
-        """Initialize a new energy quantity from watt hours.
-
-        Args:
-            watt_hours: The energy in watt hours.
-
-        Returns:
-            A new energy quantity.
-        """
-        return cls(mwh=watt_hours / Decimal(1e6))
-
-    @classmethod
-    def from_kilowatt_hours(cls, kilowatt_hours: Decimal) -> Self:
-        """Initialize a new energy quantity from kilowatt hours.
-
-        Args:
-            kilowatt_hours: The energy in kilowatt hours.
-
-        Returns:
-            A new energy quantity.
-        """
-        return cls(mwh=kilowatt_hours / Decimal(1e3))
-
 
 class EnergyMarketCodeType(enum.Enum):
     """