Use GLogger instead of broken memgraph Logger.

Summary:
http://rpg.ifi.uzh.ch/docs/glog.html

Second phase before tests complete.

Delete logging test.

Finish relase loging.

Reviewers: mislav.bradac, teon.banek, buda

Reviewed By: teon.banek

Subscribers: buda, pullbot

Differential Revision: https://phabricator.memgraph.io/D500

tests/concurrent/network_session_leak.cpp

@@ -44,8 +44,8 @@ TEST(Network, SessionLeak) {
 
   int testlen = 3000;
   for (int i = 0; i < N; ++i) {
-    clients.push_back(
-        std::thread(client_run, i, interface, ep.port_str(), data, testlen, testlen));
+    clients.push_back(std::thread(client_run, i, interface, ep.port_str(), data,
+                                  testlen, testlen));
     std::this_thread::sleep_for(10ms);
   }
 
@@ -62,8 +62,7 @@ TEST(Network, SessionLeak) {
 // run with "valgrind --leak-check=full ./network_session_leak" to check for
 // memory leaks
 int main(int argc, char **argv) {
-  logging::init_sync();
-  logging::log->pipe(std::make_unique<Stdout>());
+  google::InitGoogleLogging(argv[0]);
   ::testing::InitGoogleTest(&argc, argv);
   return RUN_ALL_TESTS();
 }