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

* fix races

* revert unintentional change

* fix test as intended

api4/team.go

@@ -9,9 +9,7 @@ import (
 	"net/http"
 	"strconv"
 
-	l4g "github.com/alecthomas/log4go"
 	"github.com/mattermost/mattermost-server/model"
-	"github.com/mattermost/mattermost-server/utils"
 )
 
 const (
@@ -19,8 +17,6 @@ const (
 )
 
 func (api *API) InitTeam() {
-	l4g.Debug(utils.T("api.team.init.debug"))
-
 	api.BaseRoutes.Teams.Handle("", api.ApiSessionRequired(createTeam)).Methods("POST")
 	api.BaseRoutes.Teams.Handle("", api.ApiSessionRequired(getAllTeams)).Methods("GET")
 	api.BaseRoutes.Teams.Handle("/search", api.ApiSessionRequired(searchTeams)).Methods("POST")