breaking(zipkin): removes serviceName from zipkin exporter.#1697

Aneurysm9 merged 5 commits intoopen-telemetry:mainopen-telemetry/opentelemetry-go:mainfrom

jcchavezs:removes_servicename_from_zipkin_exporterjcchavezs/opentelemetry-go:removes_servicename_from_zipkin_exporterCopy head branch name to clipboard