Remove bp2build and appurtenances.

Bug: 374816306
Test: treehugger
Change-Id: Ic26f6d6e0772fb07e43d22873519c5afb2ee9a45
diff --git a/cmd/soong_ui/main.go b/cmd/soong_ui/main.go
index 2d3156a..c7134d7 100644
--- a/cmd/soong_ui/main.go
+++ b/cmd/soong_ui/main.go
@@ -251,11 +251,10 @@
 	buildErrorFile := filepath.Join(logsDir, logsPrefix+"build_error")
 	rbeMetricsFile := filepath.Join(logsDir, logsPrefix+"rbe_metrics.pb")
 	soongMetricsFile := filepath.Join(logsDir, logsPrefix+"soong_metrics")
-	bp2buildMetricsFile := filepath.Join(logsDir, logsPrefix+"bp2build_metrics.pb")
 	soongBuildMetricsFile := filepath.Join(logsDir, logsPrefix+"soong_build_metrics.pb")
 
 	//Delete the stale metrics files
-	staleFileSlice := []string{buildErrorFile, rbeMetricsFile, soongMetricsFile, bp2buildMetricsFile, soongBuildMetricsFile}
+	staleFileSlice := []string{buildErrorFile, rbeMetricsFile, soongMetricsFile, soongBuildMetricsFile}
 	if err := deleteStaleMetrics(staleFileSlice); err != nil {
 		log.Fatalln(err)
 	}