Cleanup code comments and lint fixes

Signed-off-by: Derek McGowan <derek@mcg.dev>

api/types/transfer/importexport.proto

@@ -38,4 +38,4 @@ message ImageExportStream {
 	string stream = 1;
 
 	string media_type = 2;
-}
+}

api/types/transfer/progress.proto

@@ -26,4 +26,4 @@ message Progress {
 	repeated string parents = 3;
 	int64 progress = 4;
 	int64 total = 5;
-}
+}