Delete code and files that are no longer used

Most of this is Gtk related, some of it is helpers that we don't need
anymore. I love the diffstat.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

1 files changed, 0 insertions, 2 deletions

diff --git a/dive.h b/dive.h
index f2d8f236d..a6347b897 100644
--- a/dive.h
+++ b/dive.h
@@ -694,9 +694,7 @@ typedef enum {
 } os_feature_t;
 
 extern const char *existing_filename;
-extern const char *subsurface_gettext_domainpath(char *);
 extern bool subsurface_os_feature_available(os_feature_t);
-extern bool subsurface_launch_for_uri(const char *);
 extern void subsurface_command_line_init(int *, char ***);
 extern void subsurface_command_line_exit(int *, char ***);