Merge pull request #2496 from mattermost/fix-postgres-bug

Removing old schema upgrades affecting postgres

store/sql_post_store.go

@@ -38,11 +38,6 @@ func NewSqlPostStore(sqlStore *SqlStore) PostStore {
 }
 
 func (s SqlPostStore) UpgradeSchemaIfNeeded() {
-	// ADDED for 1.3 REMOVE for 2.2
-	s.RemoveColumnIfExists("Posts", "ImgCount")
-
-	// ADDED for 1.3 REMOVE for 2.2
-	s.GetMaster().Exec(`UPDATE Preferences SET Type = :NewType WHERE Type = :CurrentType`, map[string]string{"NewType": model.POST_JOIN_LEAVE, "CurrentType": "join_leave"})
 }
 
 func (s SqlPostStore) CreateIndexesIfNotExists() {