[#755] morph: Drop FrostFSID contract usage

Unused.

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>

pkg/morph/client/frostfsid/client.go

@@ -1,72 +0,0 @@
-package frostfsid
-
-import (
-	"fmt"
-
-	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client"
-	"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
-	"github.com/nspcc-dev/neo-go/pkg/util"
-)
-
-// Client is a wrapper over StaticClient
-// which makes calls with the names and arguments
-// of the FrostFS ID contract.
-//
-// Working client must be created via constructor New.
-// Using the Client that has been created with new(Client)
-// expression (or just declaring a Client variable) is unsafe
-// and can lead to panic.
-type Client struct {
-	client *client.StaticClient // static FrostFS ID contract client
-}
-
-const (
-	keyListingMethod = "key"
-	addKeysMethod    = "addKey"
-	removeKeysMethod = "removeKey"
-)
-
-// NewFromMorph wraps client to work with FrostFS ID contract.
-func NewFromMorph(cli *client.Client, contract util.Uint160, fee fixedn.Fixed8, opts ...Option) (*Client, error) {
-	o := defaultOpts()
-
-	for i := range opts {
-		opts[i](o)
-	}
-
-	sc, err := client.NewStatic(cli, contract, fee, ([]client.StaticClientOption)(*o)...)
-	if err != nil {
-		return nil, fmt.Errorf("could not create client of FrostFS ID contract: %w", err)
-	}
-
-	return &Client{client: sc}, nil
-}
-
-// Option allows to set an optional
-// parameter of ClientWrapper.
-type Option func(*opts)
-
-type opts []client.StaticClientOption
-
-func defaultOpts() *opts {
-	return new(opts)
-}
-
-// TryNotary returns option to enable
-// notary invocation tries.
-func TryNotary() Option {
-	return func(o *opts) {
-		*o = append(*o, client.TryNotary())
-	}
-}
-
-// AsAlphabet returns option to sign main TX
-// of notary requests with client's private
-// key.
-//
-// Considered to be used by IR nodes only.
-func AsAlphabet() Option {
-	return func(o *opts) {
-		*o = append(*o, client.AsAlphabet())
-	}
-}