Remove unnecessary should poll from sensor classes (#41219)

* Remove unnecessary should poll from sensor classes

* Remove two more occurrences

homeassistant/components/fints/sensor.py

@@ -169,14 +169,6 @@ class FinTsAccount(Entity):
         self._balance: float = None
         self._currency: str = None
 
-    @property
-    def should_poll(self) -> bool:
-        """Return True.
-
-        Data needs to be polled from the bank servers.
-        """
-        return True
-
     def update(self) -> None:
         """Get the current balance and currency for the account."""
         bank = self._client.client
@@ -229,14 +221,6 @@ class FinTsHoldingsAccount(Entity):
         self._holdings = []
         self._total: float = None
 
-    @property
-    def should_poll(self) -> bool:
-        """Return True.
-
-        Data needs to be polled from the bank servers.
-        """
-        return True
-
     def update(self) -> None:
         """Get the current holdings for the account."""
         bank = self._client.client

homeassistant/components/history_stats/sensor.py

@@ -174,11 +174,6 @@ class HistoryStatsSensor(Entity):
         """Return the unit the value is expressed in."""
         return self._unit_of_measurement
 
-    @property
-    def should_poll(self):
-        """Return the polling state."""
-        return True
-
     @property
     def device_state_attributes(self):
         """Return the state attributes of the sensor."""

homeassistant/components/influxdb/sensor.py

@@ -224,11 +224,6 @@ class InfluxSensor(Entity):
         """Return the unit of measurement of this entity, if any."""
         return self._unit_of_measurement
 
-    @property
-    def should_poll(self):
-        """Return the polling state."""
-        return True
-
     def update(self):
         """Get the latest data from Influxdb and updates the states."""
         self.data.update()

homeassistant/components/skybell/__init__.py

@@ -77,11 +77,6 @@ class SkybellDevice(Entity):
         """Initialize a sensor for Skybell device."""
         self._device = device
 
-    @property
-    def should_poll(self):
-        """Return the polling state."""
-        return True
-
     def update(self):
         """Update automation state."""
         self._device.refresh()

homeassistant/components/twitch/sensor.py

@@ -72,11 +72,6 @@ class TwitchSensor(Entity):
         self._follow = None
         self._statistics = None
 
-    @property
-    def should_poll(self):
-        """Device should be polled."""
-        return True
-
     @property
     def name(self):
         """Return the name of the sensor."""

homeassistant/components/wirelesstag/__init__.py

@@ -227,11 +227,6 @@ class WirelessTagBaseSensor(Entity):
         self._name = self._tag.name
         self._state = None
 
-    @property
-    def should_poll(self):
-        """Return the polling state."""
-        return True
-
     @property
     def name(self):
         """Return the name of the sensor."""

homeassistant/components/xiaomi_miio/sensor.py

@@ -174,11 +174,6 @@ class XiaomiAirQualityMonitor(Entity):
             ATTR_MODEL: self._model,
         }
 
-    @property
-    def should_poll(self):
-        """Poll the miio device."""
-        return True
-
     @property
     def unique_id(self):
         """Return an unique ID."""