test(functional): remove unknown field Etcd.Debug

functional/tester/cluster_test.go

@@ -64,7 +64,6 @@ func Test_read(t *testing.T) {
 					InitialCorruptCheck: true,
 					Logger:              "zap",
 					LogOutputs:          []string{"/tmp/etcd-functional-1/etcd.log"},
-					Debug:               true,
 				},
 				ClientCertData:      "",
 				ClientCertPath:      "",
@@ -117,7 +116,6 @@ func Test_read(t *testing.T) {
 					InitialCorruptCheck: true,
 					Logger:              "zap",
 					LogOutputs:          []string{"/tmp/etcd-functional-2/etcd.log"},
-					Debug:               true,
 				},
 				ClientCertData:      "",
 				ClientCertPath:      "",
@@ -170,7 +168,6 @@ func Test_read(t *testing.T) {
 					InitialCorruptCheck: true,
 					Logger:              "zap",
 					LogOutputs:          []string{"/tmp/etcd-functional-3/etcd.log"},
-					Debug:               true,
 				},
 				ClientCertData:      "",
 				ClientCertPath:      "",