Correct method for removal of node

http/service.go

@@ -271,7 +271,7 @@ func (s *Service) handleRemove(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	if r.Method != "POST" {
+	if r.Method != "DELETE" {
 		w.WriteHeader(http.StatusMethodNotAllowed)
 		return
 	}

http/service_test.go

@@ -110,6 +110,14 @@ func Test_405Routes(t *testing.T) {
 		t.Fatalf("failed to get expected 405, got %d", resp.StatusCode)
 	}
 
+	resp, err = client.Post(host+"/remove", "", nil)
+	if err != nil {
+		t.Fatalf("failed to make request")
+	}
+	if resp.StatusCode != 405 {
+		t.Fatalf("failed to get expected 405, got %d", resp.StatusCode)
+	}
+
 	resp, err = client.Get(host + "/join")
 	if err != nil {
 		t.Fatalf("failed to make request")