Revert wpt PR 10804 - "Hook up logging for websocket server"

This reverts commit 8478250a4085754f853aaa34764a8f7bf883fd82.
bugzilla-url: https://bugzilla.mozilla.org/show_bug.cgi?id=1459223
gecko-commit: 4083cea4bd5c58efad54730c9fa9c99a0b59ad7b
gecko-integration-branch: mozilla-inbound
gecko-reviewers: jdm
diff --git a/tools/serve/serve.py b/tools/serve/serve.py
index 35d0ed6..3443784 100644
--- a/tools/serve/serve.py
+++ b/tools/serve/serve.py
@@ -537,7 +537,6 @@
         opts, args = pywebsocket._parse_args_and_config(cmd_args)
         opts.cgi_directories = []
         opts.is_executable_method = None
-        pywebsocket._configure_logging(opts)
         self.server = pywebsocket.WebSocketServer(opts)
         ports = [item[0].getsockname()[1] for item in self.server._sockets]
         assert all(item == ports[0] for item in ports)
@@ -581,7 +580,7 @@
                            str(port),
                            repo_root,
                            paths["ws_doc_root"],
-                           "warning",
+                           "debug",
                            bind_address,
                            ssl_config = None)
 
@@ -595,7 +594,7 @@
                            str(port),
                            repo_root,
                            paths["ws_doc_root"],
-                           "warning",
+                           "debug",
                            bind_address,
                            ssl_config)