Change logging to print

Python logging recommends using print instead of logging for ordinary
output of command line program.

Also changed the test to reflect this.

dvc/command/remote.py

@@ -50,7 +50,7 @@ class CmdRemoteDefault(CmdRemoteConfig):
     def run(self):
         if self.args.name is None and not self.args.unset:
             name = self.remote_config.get_default(level=self.args.level)
-            logger.info("{}".format(name))
+            print(name)
         else:
             self.remote_config.set_default(
                 self.args.name, unset=self.args.unset, level=self.args.level

tests/func/test_remote.py

@@ -145,10 +145,11 @@ class TestRemoteDefault(TestDvc):
         self.assertEqual(default, None)
 
 
-def test_show_default(dvc_repo, caplog):
+def test_show_default(dvc_repo, capsys):
     assert main(["remote", "default", "foo"]) == 0
     assert main(["remote", "default"]) == 0
-    assert "foo" == caplog.record_tuples[0][2]
+    out, _ = capsys.readouterr()
+    assert out == "foo\n"
 
 
 class TestRemoteShouldHandleUppercaseRemoteName(TestDvc):