remove obsolete test script

display.py~

@@ -1,33 +0,0 @@
-#!/usr/bin/env python3
-
-import argparse
-import logging
-import struct
-
-import serial
-
-_LOGGER = logging.getLogger(__name__)
-
-
-def _main():
-    logging.basicConfig(
-        level=logging.DEBUG,
-        format="%(asctime)s:%(levelname)s:%(name)s:%(funcName)s:%(message)s",
-        datefmt="%Y-%m-%dT%H:%M:%S%z",
-    )
-    argparser = argparse.ArgumentParser()
-    argparser.add_argument("--serial-port", type=str, nargs="?", default="/dev/ttyUSB0")
-    args = argparser.parse_args()
-    _LOGGER.debug("args=%r", args)
-    with serial.Serial(args.serial_port, 115200, timeout=2) as serial_port:
-        _LOGGER.debug("serial_port.name=%s", serial_port.name)
-        # _LOGGER.info("project_repo_url=%s", serial_port.readline().decode().strip())
-        # _LOGGER.info("project_version=%s", serial_port.readline().decode().strip())
-        while True:
-            reading, = struct.unpack(">H", serial_port.read(2))
-            voltage = reading * 5 / 1024
-            print(f"{voltage:.02f}V")
-
-
-if __name__ == "__main__":
-    _main()