removed redis task backend from coverage
removed redis task backend from coverage

tempbottle/pulsar,tazo90/pulsar,tempbottle/pulsar,dejlek/pulsar,inirudebwoy/pulsar,inirudebwoy/pulsar,quantmind/pulsar,inirudebwoy/pulsar,ymero/pulsar,nooperpudd/pulsar,ymero/pulsar,dejlek/pulsar,nooperpudd/pulsar,ymero/pulsar,tazo90/pulsar,tazo90/pulsar,tazo90/pulsar,inirudebwoy/pulsar,quantmind/pulsar,inirudebwoy/pulsar,quantmind/pulsar,ymero/pulsar,quantmind/pulsar,nooperpudd/pulsar,dejlek/pulsar,nooperpudd/pulsar,nooperpudd/pulsar,tempbottle/pulsar,quantmind/pulsar,tazo90/pulsar,dejlek/pulsar,ymero/pulsar,tempbottle/pulsar,tempbottle/pulsar,dejlek/pulsar