Removed some vestigial code related to Range bounds checks (#20312)

Author: philip-peterson

Diff for: modules/lfs/content_store.go

@@ -8,7 +8,6 @@ import (
 	"crypto/sha256"
 	"encoding/hex"
 	"errors"
-	"fmt"
 	"hash"
 	"io"
 	"os"
@@ -24,21 +23,6 @@ var (
 	ErrSizeMismatch = errors.New("Content size does not match")
 )
 
-// ErrRangeNotSatisfiable represents an error which request range is not satisfiable.
-type ErrRangeNotSatisfiable struct {
-	FromByte int64
-}
-
-// IsErrRangeNotSatisfiable returns true if the error is an ErrRangeNotSatisfiable
-func IsErrRangeNotSatisfiable(err error) bool {
-	_, ok := err.(ErrRangeNotSatisfiable)
-	return ok
-}
-
-func (err ErrRangeNotSatisfiable) Error() string {
-	return fmt.Sprintf("Requested range %d is not satisfiable", err.FromByte)
-}
-
 // ContentStore provides a simple file system based storage.
 type ContentStore struct {
 	storage.ObjectStorage