Removing old DB upgrade code

store/sql_team_store.go

@@ -30,11 +30,6 @@ func NewSqlTeamStore(sqlStore *SqlStore) TeamStore {
 }
 
 func (s SqlTeamStore) UpgradeSchemaIfNeeded() {
-	// REMOVE AFTER 1.2 SHIP see PLT-828
-	s.RemoveColumnIfExists("Teams", "AllowValet")
-	s.CreateColumnIfNotExists("Teams", "InviteId", "varchar(32)", "varchar(32)", "")
-	s.CreateColumnIfNotExists("Teams", "AllowOpenInvite", "tinyint(1)", "boolean", "0")
-	s.CreateColumnIfNotExists("Teams", "AllowTeamListing", "tinyint(1)", "boolean", "0")
 }
 
 func (s SqlTeamStore) CreateIndexesIfNotExists() {