Remove unused proto imports

Change-Id: I87c7c956601d17d2705a1ced726976620dcd7592
diff --git a/stats/atoms.proto b/stats/atoms.proto
index 3056896..1ba206b 100644
--- a/stats/atoms.proto
+++ b/stats/atoms.proto
@@ -42,8 +42,6 @@
 import "frameworks/proto_logging/stats/atoms/usb/usb_atoms.proto";
 import "frameworks/proto_logging/stats/atoms/view/inputmethod/inputmethod_atoms.proto";
 import "frameworks/proto_logging/stats/atom_field_options.proto";
-import "frameworks/proto_logging/stats/enums/adservices/fledge/enums.proto";
-import "frameworks/proto_logging/stats/enums/adservices/measurement/enums.proto";
 import "frameworks/proto_logging/stats/enums/anr/enums.proto";
 import "frameworks/proto_logging/stats/enums/app/app_enums.proto";
 import "frameworks/proto_logging/stats/enums/app/job/job_enums.proto";
@@ -95,7 +93,6 @@
 import "frameworks/proto_logging/stats/enums/stats/location/location_enums.proto";
 import "frameworks/proto_logging/stats/enums/stats/mediametrics/mediametrics.proto";
 import "frameworks/proto_logging/stats/enums/stats/mediaprovider/mediaprovider_enums.proto";
-import "frameworks/proto_logging/stats/enums/stats/mobiledatadownload/enums.proto";
 import "frameworks/proto_logging/stats/enums/stats/privacysignals/enums.proto";
 import "frameworks/proto_logging/stats/enums/stats/safetycenter/enums.proto";
 import "frameworks/proto_logging/stats/enums/stats/storage/storage_enums.proto";