Remove unused variables from peer conn (#2074)

Remove unused variables from peer conn

signal/client/client.go

@@ -25,11 +25,6 @@ const (
 	DirectCheck uint32 = 1
 )
 
-// FeaturesSupport register protocol supported features
-type FeaturesSupport struct {
-	DirectCheck bool
-}
-
 type Client interface {
 	io.Closer
 	StreamConnected() bool
@@ -79,15 +74,3 @@ type Credential struct {
 	UFrag string
 	Pwd   string
 }
-
-// ParseFeaturesSupported parses a slice of supported features into FeaturesSupport
-func ParseFeaturesSupported(featuresMessage []uint32) FeaturesSupport {
-	var protoSupport FeaturesSupport
-	for _, feature := range featuresMessage {
-		if feature == DirectCheck {
-			protoSupport.DirectCheck = true
-			return protoSupport
-		}
-	}
-	return protoSupport
-}

signal/client/client_test.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"net"
 	"sync"
-	"testing"
 	"time"
 
 	. "github.com/onsi/ginkgo"
@@ -168,41 +167,6 @@ var _ = Describe("GrpcClient", func() {
 
 })
 
-func TestParseFeaturesSupported(t *testing.T) {
-	expectedOnEmptyOrUnsupported := FeaturesSupport{DirectCheck: false}
-	expectedWithDirectCheck := FeaturesSupport{DirectCheck: true}
-	testCases := []struct {
-		name     string
-		input    []uint32
-		expected FeaturesSupport
-	}{
-		{
-			name:     "Should Return DirectCheck Supported",
-			input:    []uint32{DirectCheck},
-			expected: expectedWithDirectCheck,
-		},
-		{
-			name:     "Should Return DirectCheck Unsupported When Nil",
-			input:    nil,
-			expected: expectedOnEmptyOrUnsupported,
-		},
-		{
-			name:     "Should Return DirectCheck Unsupported When Not Known Feature",
-			input:    []uint32{9999},
-			expected: expectedOnEmptyOrUnsupported,
-		},
-	}
-
-	for _, testCase := range testCases {
-		t.Run(testCase.name, func(t *testing.T) {
-			result := ParseFeaturesSupported(testCase.input)
-			if result.DirectCheck != testCase.expected.DirectCheck {
-				t.Errorf("Direct check feature should match: Expected: %t, Got: %t", testCase.expected.DirectCheck, result.DirectCheck)
-			}
-		})
-	}
-}
-
 func createSignalClient(addr string, key wgtypes.Key) *GrpcClient {
 	var sigTLSEnabled = false
 	client, err := NewClient(context.Background(), addr, key, sigTLSEnabled)