Explicitly ignore call to os.Remove

This stops linters and GoLand from complaining.

Test Plan: No functional change

X-Origin-Diff: phab/D196
GitOrigin-RevId: b4174bb82b8a14e2677dfbf9e95b97ee04ed284b
diff --git a/cmd/mkimage/main.go b/cmd/mkimage/main.go
index 650cfd1..a727e8b 100644
--- a/cmd/mkimage/main.go
+++ b/cmd/mkimage/main.go
@@ -38,7 +38,7 @@
 		fmt.Println("Usage: mkimage <UEFI payload> <image path>")
 		os.Exit(2)
 	}
-	os.Remove(os.Args[2])
+	_ = os.Remove(os.Args[2])
 	diskImg, err := diskfs.Create(os.Args[2], 3*1024*1024*1024, diskfs.Raw)
 	if err != nil {
 		fmt.Printf("Failed to create disk: %v", err)