Remove unused code

viam-cartographer/src/carto_facade/carto_facade.h

@@ -459,7 +459,7 @@ class CartoFacade {
     std::mutex viam_response_mutex;
     cartographer::transform::Rigid3d latest_global_pose =
         cartographer::transform::Rigid3d();
-    // The latest_pointcloud_map variable is used enable GetPointCloudMap to
+    // The latest_pointcloud_map variable is used to enable GetPointCloudMap to
     // send the most recent map out while cartographer works on creating an
     // optimized map. It is only updated right before the optimization is
     // started.

viam-cartographer/src/carto_facade/map_builder.h

@@ -50,15 +50,6 @@ class MapBuilder {
     bool SaveMapToFile(bool include_unfinished_submaps,
                        const std::string filename_with_timestamp);
 
-    // SaveMapToStream converted the saved pbstream to a stream and deletes the
-    // file.
-    std::string ConvertSavedMapToStream(
-        const std::string filename_with_timestamp, std::string *buffer);
-
-    // TryFileClose attempts to close an opened ifstream, returning an error
-    // string if it fails.
-    std::string TryFileClose(std::ifstream &file, std::string filename);
-
     void StartTrajectoryBuilder(bool use_imu_data);
 
     // GetGlobalPose returns the local pose based on the provided a local pose.