Update image_uploader docs

farmbot_ext/lib/farmbot_ext/api/image_uploader.ex

@@ -45,7 +45,10 @@ defmodule FarmbotExt.API.ImageUploader do
 
   def handle_continue([], state), do: {:noreply, state, @checkup_time_ms}
 
-  # TODO(Connor) the meta here is likely inaccurate.
+  # the meta here is likely inaccurate here because of
+  # pulling the location data from the cache instead of from the firmware
+  # directly. It's close enough and getting data from the firmware directly
+  # would require more work than it is worth
   defp try_upload(image_filename) do
     %{x: x, y: y, z: z} = BotState.fetch().location_data.position
     meta = %{x: x, y: y, z: z, name: Path.rootname(image_filename)}