cleanup, no GODEBUG needed

notboring.go

@@ -2,4 +2,31 @@
 
 package nebula
 
-var boringEnabled = func() bool { return false }
+import (
+	"crypto/fips140"
+	"runtime/debug"
+)
+
+func getFIPS140() string {
+	switch {
+	case fips140.Enabled():
+		return getFIPS140Version()
+	default:
+		return "off"
+	}
+}
+
+func getFIPS140Version() string {
+	// The docs for fips140.Version mention this is more accurate to
+	// get the exact version
+	// - https://pkg.go.dev/crypto/fips140#Version
+	info, ok := debug.ReadBuildInfo()
+	if ok {
+		for _, s := range info.Settings {
+			if s.Key == "GOFIPS140" {
+				return s.Value
+			}
+		}
+	}
+	return fips140.Version()
+}