Remove hardcoded GOPATH from developer docs. (#25)
Remove hardcoded GOPATH from developer docs. (#25)

Signed-off-by: Alfusainey Jallow <61d80a3a3be92ff93e51eb3c3141b56af39b6c8a@gmail.com>
knative-sandbox/eventing-kafka-broker,knative-sandbox/eventing-kafka-broker,knative-sandbox/eventing-kafka-broker