core: More cleanup of GIO utility API

src/libotutil/ot-gio-utils.h

@@ -33,17 +33,13 @@ const char *ot_gfile_get_path_cached (GFile *file);
 
 const char *ot_gfile_get_basename_cached (GFile *file);
 
-gboolean ot_util_ensure_directory (const char *path, gboolean with_parents, GError **error);
+gboolean ot_gfile_ensure_directory (GFile *dir, gboolean with_parents, GError **error);
 
-char * ot_util_get_file_contents_utf8 (const char *path, GError    **error);
-
-gboolean ot_util_gfile_load_contents_utf8 (GFile         *file,
-                                           GCancellable  *cancellable,
-                                           char         **contents_out,
-                                           char         **etag_out,
-                                           GError       **error);
-
-GInputStream *ot_util_read_file_noatime (GFile *file, GCancellable *cancellable, GError **error);
+gboolean ot_gfile_load_contents_utf8 (GFile         *file,
+                                      char         **contents_out,
+                                      char         **etag_out,
+                                      GCancellable  *cancellable,
+                                      GError       **error);
 
 G_END_DECLS