Remove *Pool constructor related docs from the class docs

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

Author: shsms

src/frequenz/sdk/timeseries/battery_pool/_battery_pool.py

@@ -40,11 +40,6 @@
 class BatteryPool:
     """An interface for interaction with pools of batteries.
 
-    !!! note
-        `BatteryPool` instances are not meant to be created directly by users.  Use the
-        [`microgrid.battery_pool`][frequenz.sdk.microgrid.battery_pool] method for
-        creating `BatteryPool` instances.
-
     Provides:
       - properties for fetching reporting streams of instantaneous
         [power][frequenz.sdk.timeseries.battery_pool.BatteryPool.power],

src/frequenz/sdk/timeseries/ev_charger_pool/_ev_charger_pool.py

@@ -32,11 +32,6 @@ class EVChargerPoolError(Exception):
 class EVChargerPool:
     """An interface for interaction with pools of EV Chargers.
 
-    !!! note
-        `EVChargerPool` instances are not meant to be created directly by users. Use the
-        [`microgrid.ev_charger_pool`][frequenz.sdk.microgrid.ev_charger_pool] method for
-        creating `EVChargerPool` instances.
-
     Provides:
       - Aggregate [`power`][frequenz.sdk.timeseries.ev_charger_pool.EVChargerPool.power]
         and 3-phase

src/frequenz/sdk/timeseries/pv_pool/_pv_pool.py

@@ -27,11 +27,6 @@ class PVPoolError(Exception):
 class PVPool:
     """An interface for interaction with pools of PV inverters.
 
-    !!! note
-        `PVPool` instances are not meant to be created directly by users. Use the
-        [`microgrid.pv_pool`][frequenz.sdk.microgrid.pv_pool] method for creating
-        `PVPool` instances.
-
     Provides:
       - Aggregate [`power`][frequenz.sdk.timeseries.pv_pool.PVPool.power]
         measurements of the PV inverters in the pool.