fix: remove VRFProve (#731)

* Remove `VRFProve` * Update `CHANGELOG.md`
Finschia · Oct 19, 2022 · 77fc5ce · 77fc5ce
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -107,6 +107,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (baseapp) [\#724](https://github.com/line/lbm-sdk/pull/724) add checking pubkey type from validator params
 * (x/staking) [\#726](https://github.com/line/lbm-sdk/pull/726) check allowedList size in StakeAuthorization.Accept()
 * (x/staking) [\#728](https://github.com/line/lbm-sdk/pull/728) fix typo in unbondingToUnbonded() panic
+* (crypto) [\#731](https://github.com/line/lbm-sdk/pull/731) remove VRFProve function
 * (x/foundation) [\#732](https://github.com/line/lbm-sdk/pull/732) add verification on accounts into x/foundation Grants cli
 
 ### Breaking Changes

diff --git a/crypto/ledger/ledger_secp256k1.go b/crypto/ledger/ledger_secp256k1.go
@@ -5,7 +5,6 @@ import (
 	"os"
 
 	"github.com/btcsuite/btcd/btcec"
-	"github.com/line/ostracon/crypto"
 	"github.com/pkg/errors"
 
 	tmbtcec "github.com/tendermint/btcd/btcec"
@@ -91,10 +90,6 @@ func (pkl PrivKeyLedgerSecp256k1) PubKey() types.PubKey {
 	return pkl.CachedPubKey
 }
 
-func (pkl PrivKeyLedgerSecp256k1) VRFProve(seed []byte) (crypto.Proof, error) {
-	return nil, nil
-}
-
 // Sign returns a secp256k1 signature for the corresponding message
 func (pkl PrivKeyLedgerSecp256k1) Sign(message []byte) ([]byte, error) {
 	device, err := getDevice()