api!: remove dc_delete_all_locations

src/location.rs

@@ -459,13 +459,6 @@ fn is_marker(txt: &str) -> bool {
     }
 }
 
-/// Deletes all locations from the database.
-pub async fn delete_all(context: &Context) -> Result<()> {
-    context.sql.execute("DELETE FROM locations;", ()).await?;
-    context.emit_location_changed(None).await?;
-    Ok(())
-}
-
 /// Deletes expired locations.
 ///
 /// Only path locations are deleted.