[glom] file_utils: Remove unused delete_directory().

[Murray Cumming <murrayc src gnome org>]

commit 05b88b73a14212a832e6f7877cb6f930b3896cc3
Author: Murray Cumming <murrayc murrayc com>
Date:   Thu Mar 17 13:40:38 2016 +0100

    file_utils: Remove unused delete_directory().

 glom/libglom/file_utils.cc |   46 --------------------------------------------
 glom/libglom/file_utils.h  |   11 ----------
 2 files changed, 0 insertions(+), 57 deletions(-)
---
diff --git a/glom/libglom/file_utils.cc b/glom/libglom/file_utils.cc
index cdcb79c..b4e576d 100644
--- a/glom/libglom/file_utils.cc
+++ b/glom/libglom/file_utils.cc
@@ -57,52 +57,6 @@ bool file_exists(const Glib::RefPtr<Gio::File>& file)
   }
 }
 
-bool delete_directory(const Glib::RefPtr<Gio::File>& directory)
-{
-  try
-  {
-    if(!(directory->query_exists()))
-      return true;
-
-    //(Recursively) Delete any child files and directories,
-    //so we can delete this directory.
-    auto enumerator = directory->enumerate_children();
-
-    auto info = enumerator->next_file();
-    while(info)
-    {
-      auto child = directory->get_child(info->get_name());
-      bool removed_child = false;
-      if(child->query_file_type() == Gio::FILE_TYPE_DIRECTORY)
-        removed_child = delete_directory(child);
-      else
-        removed_child = child->remove();
-
-      if(!removed_child)
-        return false;
-
-      info = enumerator->next_file();
-    }
-
-    //Delete the actual directory:
-    if(!directory->remove())
-      return false;
-  }
-  catch(const Glib::Error& ex)
-  {
-    std::cerr << G_STRFUNC << ": Exception from Gio::File: " << ex.what() << std::endl;
-    return false;
-  }
-
-  return true;
-}
-
-bool delete_directory(const std::string& uri)
-{
-  auto file = Gio::File::create_for_uri(uri);
-  return delete_directory(file);
-}
-
 bool delete_file(const std::string& uri)
 {
   auto file = Gio::File::create_for_uri(uri);
diff --git a/glom/libglom/file_utils.h b/glom/libglom/file_utils.h
index 2f35b28..7894df9 100644
--- a/glom/libglom/file_utils.h
+++ b/glom/libglom/file_utils.h
@@ -37,17 +37,6 @@ bool file_exists(const Glib::RefPtr <Gio::File>& file);
 
 Glib::ustring create_local_image_uri(const Gnome::Gda::Value& value);
 
-/** Delete a directory, if it exists, and its contents.
- * Unlike g_file_delete(), this does not fail if the directory is not empty.
- */
-bool delete_directory(const Glib::RefPtr<Gio::File>& directory);
-
-/** Delete a directory, if it exists, and its contents.
- * Unlike g_file_delete(), this does not fail if the directory is not empty.
- * See also delete_file().
- */
-bool delete_directory(const std::string& uri);
-
 /** Delete a file, if it exists.
  * See also delete_directory().
  */