[#291] Removed deprecated `light.hue` backend.

Closes: #291

docs/source/backends.rst

@@ -27,7 +27,6 @@ Backends
     platypush/backend/joystick.jstest.rst
     platypush/backend/joystick.linux.rst
     platypush/backend/kafka.rst
-    platypush/backend/light.hue.rst
     platypush/backend/log.http.rst
     platypush/backend/mail.rst
     platypush/backend/midi.rst

docs/source/platypush/backend/light.hue.rst

@@ -1,6 +0,0 @@
-``light.hue``
-===============================
-
-.. automodule:: platypush.backend.light.hue
-	:members:
-

platypush/backend/light/hue/__init__.py

@@ -1,25 +0,0 @@
-import warnings
-
-from platypush.backend import Backend
-
-
-class LightHueBackend(Backend):
-    """
-    **DEPRECATED**
-
-    The polling logic of this backend has been moved to the ``light.hue`` plugin itself.
-    """
-
-    def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs)
-        warnings.warn(
-            'The light.hue backend is deprecated. All of its logic '
-            'has been moved to the light.hue plugin itself.'
-        )
-
-    def run(self):
-        super().run()
-        self.logger.info('Stopped Hue lights backend')
-
-
-# vim:sw=4:ts=4:et:

platypush/backend/light/hue/manifest.yaml

@@ -1,6 +0,0 @@
-manifest:
-  events:
-  install:
-    pip: []
-  package: platypush.backend.light.hue
-  type: backend