Reduce logging data races, fix MySQL test race condition (#7994)

* fix races

* revert unintentional change

* fix test as intended

api4/status.go

@@ -6,15 +6,10 @@ package api4
 import (
 	"net/http"
 
-	l4g "github.com/alecthomas/log4go"
-
 	"github.com/mattermost/mattermost-server/model"
-	"github.com/mattermost/mattermost-server/utils"
 )
 
 func (api *API) InitStatus() {
-	l4g.Debug(utils.T("api.status.init.debug"))
-
 	api.BaseRoutes.User.Handle("/status", api.ApiSessionRequired(getUserStatus)).Methods("GET")
 	api.BaseRoutes.Users.Handle("/status/ids", api.ApiSessionRequired(getUserStatusesByIds)).Methods("POST")
 	api.BaseRoutes.User.Handle("/status", api.ApiSessionRequired(updateUserStatus)).Methods("PUT")