rm unused validateAndReadTimeZone func

Signed-off-by: Tim Vaillancourt <[email protected]>

go/logic/applier.go

@@ -106,12 +106,6 @@ func (this *Applier) InitDBConnections() (err error) {
 	return nil
 }
 
-// validateAndReadTimeZone potentially reads server time-zone
-func (this *Applier) validateAndReadTimeZone() error {
-	this.migrationContext.Log.Infof("will use time_zone='%s' on applier", this.ServerInfo().TimeZone)
-	return nil
-}
-
 // generateSqlModeQuery return a `sql_mode = ...` query, to be wrapped with a `set session` or `set global`,
 // based on gh-ost configuration:
 // - User may skip strict mode