Updating server dependancies. (#7816)

cmd/platform/mattermost.go

@@ -19,12 +19,8 @@ import (
 	// Enterprise Deps
 	_ "github.com/dgryski/dgoogauth"
 	_ "github.com/go-ldap/ldap"
-	_ "github.com/mattermost/rsc/qr"
-
-	// Tmp deps for adding
-	_ "github.com/dimchansky/utfbom"
 	_ "github.com/hashicorp/memberlist"
-	_ "gopkg.in/gomail.v2"
+	_ "github.com/mattermost/rsc/qr"
 	_ "gopkg.in/olivere/elastic.v5"
 )