Camera: Clean up TODOs that aren't going to be addressed.

These TODOs aren't in scope for the wrapper libraries.

Leave the few TODOs that have bugs tracking them, and the ones that
are from autogenerated metadata.

Test: Builds
Bug: 34108979
Change-Id: Ib28467a4fbcfaab4a0809334bc62eabb9290797a
diff --git a/camera/common/1.0/default/CameraMetadata.cpp b/camera/common/1.0/default/CameraMetadata.cpp
index 0e7ef6e..4c54931 100644
--- a/camera/common/1.0/default/CameraMetadata.cpp
+++ b/camera/common/1.0/default/CameraMetadata.cpp
@@ -508,8 +508,6 @@
         }
     }
 
-    // TODO: Make above get_camera_metadata_section_from_name ?
-
     if (section == NULL) {
         return NAME_NOT_FOUND;
     } else {
diff --git a/camera/device/1.0/default/CameraDevice.cpp b/camera/device/1.0/default/CameraDevice.cpp
index 4f26c54..6f4e70f 100644
--- a/camera/device/1.0/default/CameraDevice.cpp
+++ b/camera/device/1.0/default/CameraDevice.cpp
@@ -183,7 +183,6 @@
 }
 
 int CameraDevice::sLockBuffer(struct preview_stream_ops*, buffer_handle_t*) {
-    // TODO: make sure lock_buffer is indeed a no-op (and will always be)
     return 0;
 }
 
@@ -585,8 +584,6 @@
             cameraInfo.facing = (CameraFacing) info.facing;
             // Device 1.0 does not support external camera facing.
             // The closest approximation would be front camera.
-            // TODO: figure out should we override here or let
-            //       camera service handle it.
             if (cameraInfo.facing == CameraFacing::EXTERNAL) {
                 cameraInfo.facing = CameraFacing::FRONT;
             }
diff --git a/camera/provider/2.4/default/CameraProvider.cpp b/camera/provider/2.4/default/CameraProvider.cpp
index 791b93c..19f7bdd 100644
--- a/camera/provider/2.4/default/CameraProvider.cpp
+++ b/camera/provider/2.4/default/CameraProvider.cpp
@@ -461,10 +461,6 @@
         return Void();
     }
 
-    // TODO: we also need to keep a wp list of all generated devices to notify
-    //       devices of device present status change, but then each device might
-    //       need a sp<provider> to keep provider alive until all device closed?
-    //       Problem: do we have external camera products to test this?
     sp<android::hardware::camera::device::V3_2::implementation::CameraDevice> device =
             new android::hardware::camera::device::V3_2::implementation::CameraDevice(
                     mModule, cameraId, mCameraDeviceNames);