Revert "Use UTF-8 to store firehose output"
Revert "Use UTF-8 to store firehose output"

This reverts commit 549815b061357c2638b43eacbb3368109e911307.

This needs to be fixed system-wide so we'll make a change to
our Concourse task base image.

sclevine/cf-redis-release,pivotal-cf/cf-redis-release,pivotal-cf/cf-redis-release,pivotal-cf/cf-redis-release,sclevine/cf-redis-release,sclevine/cf-redis-release