removed modules that are not needed

Signed-off-by: Ebbe Baß <ebbe@ping-mee.de>

main.py

@@ -1,14 +1,10 @@
 from base64 import b16decode
 import time
 from datetime import datetime
-
-from requests import request
 try:
     from rpi_ws281x import *
     import RPi.GPIO as GPIO
-    import json
-    from argparse import ArgumentParser
-    import paho.mqtt.client as mqtt 
+    import paho.mqtt.client as mqtt
 except ImportError:
     print('Some modules are missing. Try to install them with "pip3 install -r requirements.txt"')
     exit()