http-server-example: correction of regex waiting to acquire IP address

Since the recent refactoring of spi bus_lock comonent introduced heavy logging under debug/verbose level of verbosity, the http-server test executed in the CI became less stable due to complicated regex. Fixed by removing the first optional group

examples/protocols/http_server/ws_echo_server/ws_server_example_test.py

@@ -114,8 +114,8 @@ def test_examples_protocol_http_ws_echo_server(env, extra_data):
 
     # Parse IP address of STA
     Utility.console_log("Waiting to connect with AP")
-    got_ip = dut1.expect(re.compile(r"(?:[\s\S]*)IPv4 address: (\d+.\d+.\d+.\d+)"), timeout=60)[0]
-    got_port = dut1.expect(re.compile(r"(?:[\s\S]*)Starting server on port: '(\d+)'"), timeout=60)[0]
+    got_ip = dut1.expect(re.compile(r"IPv4 address: (\d+.\d+.\d+.\d+)"), timeout=60)[0]
+    got_port = dut1.expect(re.compile(r"Starting server on port: '(\d+)'"), timeout=60)[0]
 
     Utility.console_log("Got IP   : " + got_ip)
     Utility.console_log("Got Port : " + got_port)