satellite/metainfo/metabase: remove old TODO notes

Change-Id: Id216eb8cc5014652cce77a0f8f17ac66715bd46f

satellite/metainfo/metabase/encoding.go

@@ -26,8 +26,6 @@ var _ struct {
 	BlockSize   int32
 } = storj.EncryptionParameters{}
 
-// TODO: do we want to use this encoding? do we want it to be extensible?
-
 // Value implements sql/driver.Valuer interface.
 func (params encryptionParameters) Value() (driver.Value, error) {
 	var bytes [8]byte
@@ -80,8 +78,6 @@ var _ struct {
 	TotalShares    int16
 } = storj.RedundancyScheme{}
 
-// TODO: maybe should use protobuf here instead?
-
 func (params redundancyScheme) Value() (driver.Value, error) {
 	switch {
 	case params.ShareSize < 0 || params.ShareSize >= 1<<24:
@@ -134,8 +130,6 @@ func (params redundancyScheme) Scan(value interface{}) error {
 	}
 }
 
-// TODO: should we use some other encoding?
-
 // Value implements sql/driver.Valuer interface.
 func (pieces Pieces) Value() (driver.Value, error) {
 	if len(pieces) == 0 {

satellite/metainfo/metabase/get.go

@@ -57,7 +57,6 @@ func (db *DB) GetObjectExactVersion(ctx context.Context, opts GetObjectExactVers
 	}
 
 	object := Object{}
-	// TODO handle encryption column
 	err = db.db.QueryRow(ctx, `
 		SELECT
 			stream_id,

satellite/metainfo/metabase/raw.go

@@ -51,7 +51,6 @@ type RawSegment struct {
 	EncryptedSize int32 // size of the whole segment (not a piece)
 	PlainSize     int32
 	PlainOffset   int64
-	// TODO: add fields for proofs/chains
 
 	Redundancy storj.RedundancyScheme