fix lint issues

goldenposeidon/constants.go

@@ -3,10 +3,13 @@ package poseidon
 import "github.com/iden3/go-iden3-crypto/ffg"
 
 const (
+	// NROUNDSF
 	NROUNDSF = 8
+	// NROUNDSP
 	NROUNDSP = 22
-	CAPLEN   = 4
-	mLen     = 12
+	// CAPLEN
+	CAPLEN = 4
+	mLen   = 12
 )
 
 var (

goldenposeidon/poseidon.go

@@ -6,9 +6,6 @@ import (
 	"github.com/iden3/go-iden3-crypto/ffg"
 )
 
-const spongeChunkSize = 31
-const spongeInputs = 16
-
 func zero() *ffg.Element {
 	return ffg.NewElement()
 }