chore(test): remove useless node1.etcd dir

It is a directory checked in from an etcd test run in mistake.

tests/functional/node1.etcd/conf

@@ -1 +0,0 @@
-{"commitIndex":43,"peers":[{"name":"node2","connectionString":""},{"name":"node3","connectionString":""},{"name":"node4","connectionString":""},{"name":"node5","connectionString":""},{"name":"node6","connectionString":""},{"name":"node7","connectionString":""},{"name":"node9","connectionString":""},{"name":"node8","connectionString":""}]}

tests/functional/node1.etcd/info

@@ -1 +0,0 @@
-{"name":"node1","raftURL":"http://127.0.0.1:7001","etcdURL":"http://127.0.0.1:4001","raftListenHost":"127.0.0.1:7001","etcdListenHost":"127.0.0.1:4001","raftTLS":{"CertFile":"","KeyFile":"","CAFile":""},"etcdTLS":{"CertFile":"","KeyFile":"","CAFile":""}}