Store main settings in dedicated ext folder

lib/update_util/lfs_backup.c

@@ -2,11 +2,7 @@
 
 #include <toolbox/tar/tar_archive.h>
 
-#include <bt/bt_settings_filename.h>
-#include <bt/bt_service/bt_keys_filename.h>
-#include <dolphin/helpers/dolphin_state_filename.h>
 #include <desktop/helpers/slideshow_filename.h>
-#include <desktop/desktop_settings_filename.h>
 #include <notification/notification_settings_filename.h>
 
 #define LFS_BACKUP_DEFAULT_LOCATION EXT_PATH(LFS_BACKUP_DEFAULT_FILENAME)
@@ -18,12 +14,8 @@ static void backup_name_converter(FuriString* filename) {
 
     /* Filenames are already prefixed with '.' */
     const char* const names[] = {
-        BT_SETTINGS_FILE_NAME,
-        BT_KEYS_STORAGE_FILE_NAME,
-        DESKTOP_SETTINGS_FILE_NAME,
         NOTIFICATION_SETTINGS_FILE_NAME,
         SLIDESHOW_FILE_NAME,
-        DOLPHIN_STATE_FILE_NAME,
     };
 
     for(size_t i = 0; i < COUNT_OF(names); i++) {