package/python-channels-redis: drop unneeded redis dependency

Fixes:
 - http://autobuild.buildroot.org/results/3053d6470da905218817a7d9b3945f07d70f8296

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/python-channels-redis/python-channels-redis.mk

@@ -10,6 +10,5 @@ PYTHON_CHANNELS_REDIS_SITE = https://files.pythonhosted.org/packages/79/20/896a5
 PYTHON_CHANNELS_REDIS_SETUP_TYPE = setuptools
 PYTHON_CHANNELS_REDIS_LICENSE = BSD-3-Clause
 PYTHON_CHANNELS_REDIS_LICENSE_FILES = LICENSE
-PYTHON_CHANNELS_REDIS_DEPENDENCIES = redis
 
 $(eval $(python-package))