[mutter/wip/carlosg/cleanups: 4/7] backends: Drop unused function

[Carlos Garnacho <carlosg src gnome org>]

commit f7d0f2ce20d9ab48f8bb91b551d6850071fde537
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Jul 15 19:35:12 2020 +0200

    backends: Drop unused function
    
    This meta_input_settings_get_tablet_mapping() was never necessary outside
    MetaInputSettings, nor used. It can simply go away.
    
    https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1448

 src/backends/meta-input-settings-private.h |  3 ---
 src/backends/meta-input-settings.c         | 19 -------------------
 2 files changed, 22 deletions(-)
---
diff --git a/src/backends/meta-input-settings-private.h b/src/backends/meta-input-settings-private.h
index 0b8ac29ce2..675a3837b6 100644
--- a/src/backends/meta-input-settings-private.h
+++ b/src/backends/meta-input-settings-private.h
@@ -142,9 +142,6 @@ GSettings *           meta_input_settings_get_tablet_settings (MetaInputSettings
 MetaLogicalMonitor *  meta_input_settings_get_tablet_logical_monitor (MetaInputSettings  *settings,
                                                                       ClutterInputDevice *device);
 
-GDesktopTabletMapping meta_input_settings_get_tablet_mapping (MetaInputSettings  *settings,
-                                                              ClutterInputDevice *device);
-
 gboolean                   meta_input_settings_is_pad_button_grabbed     (MetaInputSettings  *input_settings,
                                                                           ClutterInputDevice *pad,
                                                                           guint               button);
diff --git a/src/backends/meta-input-settings.c b/src/backends/meta-input-settings.c
index 0a0667688a..8bfc950235 100644
--- a/src/backends/meta-input-settings.c
+++ b/src/backends/meta-input-settings.c
@@ -2204,25 +2204,6 @@ meta_input_settings_get_tablet_logical_monitor (MetaInputSettings  *settings,
   return logical_monitor;
 }
 
-GDesktopTabletMapping
-meta_input_settings_get_tablet_mapping (MetaInputSettings  *settings,
-                                        ClutterInputDevice *device)
-{
-  MetaInputSettingsPrivate *priv;
-  DeviceMappingInfo *info;
-
-  g_return_val_if_fail (META_IS_INPUT_SETTINGS (settings),
-                        G_DESKTOP_TABLET_MAPPING_ABSOLUTE);
-  g_return_val_if_fail (CLUTTER_IS_INPUT_DEVICE (device),
-                        G_DESKTOP_TABLET_MAPPING_ABSOLUTE);
-
-  priv = meta_input_settings_get_instance_private (settings);
-  info = g_hash_table_lookup (priv->mappable_devices, device);
-  g_return_val_if_fail (info != NULL, G_DESKTOP_TABLET_MAPPING_ABSOLUTE);
-
-  return g_settings_get_enum (info->settings, "mapping");
-}
-
 static GDesktopPadButtonAction
 meta_input_settings_get_pad_button_action (MetaInputSettings   *input_settings,
                                            ClutterInputDevice  *pad,