Address JetBrains warnings

core/launchClipClearProcessCLIUNIX.go

@@ -15,6 +15,6 @@ import (
 func LaunchClipClearProcess(copySubject string, isWayland bool) {
 	cmd := exec.Command(os.Args[0], "clipclear", strconv.FormatBool(isWayland))
 	back.WriteToStdin(cmd, copySubject)
-	cmd.Start()
+	_ = cmd.Start()
 	os.Exit(0) // use os.Exit directly since this version of this function is only meant for non-interactive CLI implementations
 }