Removes the unneeded members assignment on channel-group
Removes the unneeded members assignment on channel-group

slackapi/node-slack-sdk,peernohell/node-slack-client,slackapi/node-slack-sdk,slackhq/node-slack-sdk,slackhq/node-slack-client,slackapi/node-slack-sdk,slackapi/node-slack-sdk,peernohell/node-slack-client