Remove Slack logger

Author: divolgin

log/init.go

@@ -4,10 +4,9 @@ import (
 	"github.com/replicatedcom/saaskit/param"
 )
 
-func Init(logOpts *LogOptions, mailLogOpts *MailLogOptions, slackLogOpts *SlackLogOptions) {
+func Init(logOpts *LogOptions, mailLogOpts *MailLogOptions) {
 	InitLog(logOpts)
 	InitMail(mailLogOpts)
-	InitSlack(slackLogOpts)
 
 	if param.Lookup("PROJECT_NAME", "", false) == "" {
 		Infof("Environment variable PROJECT_NAME not set")