Repository.Close(): remove method

It didn't do anything.

Author: mhagger

git-sizer.go

@@ -110,9 +110,6 @@ func mainImplementation(args []string) error {
 	// Try to open the repository, but it's not an error yet if this
 	// fails, because the user might only be asking for `--help`.
 	repo, repoErr := git.NewRepository(".")
-	if repoErr == nil {
-		defer repo.Close()
-	}
 
 	flags := pflag.NewFlagSet("git-sizer", pflag.ContinueOnError)
 	flags.Usage = func() {

git/git.go

@@ -169,11 +169,6 @@ func (repo *Repository) Path() string {
 	return repo.path
 }
 
-// Close closes `repo`, possibly freeing up resources.
-func (repo *Repository) Close() error {
-	return nil
-}
-
 // Reference represents a Git reference.
 type Reference struct {
 	// Refname is the full reference name of the reference.