Stop using NTP library and get time directly

from the ESP library.

Author: tannewt

adafruit_gc_iot_core.py

@@ -30,6 +30,7 @@
 
 import adafruit_logging as logging
 from adafruit_jwt import JWT
+import rtc
 
 __version__ = "0.0.0-auto.0"
 __repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_GC_IOT_Core.git"
@@ -353,14 +354,7 @@ def generate_jwt(self, ttl=43200, algo="RS256"):
             self.logger.debug("Generating JWT...")
 
         if self._esp is not None:
-            # Not all boards have ESP access easily (eg: featherS2).
-            #   If we pass in a False or None in init, lets
-            #   assume that we've handled setting the RTC outside of here
-            # pylint: disable=import-outside-toplevel
-            import adafruit_ntp as NTP
-
-            ntp = NTP.NTP(self._esp)
-            ntp.set_time()
+            rtc.RTC().datetime = time.localtime(self._esp.get_time()[0])
         else:
             if self.logger:
                 self.logger.info(

docs/conf.py

@@ -24,7 +24,7 @@
 # Uncomment the below if you use native CircuitPython modules such as
 # digitalio, micropython and busio. List the modules you use. Without it, the
 # autodoc module docs will fail to generate with a warning.
-autodoc_mock_imports = ["adafruit_logging", "adafruit_jwt", "adafruit_ntp", "rtc"]
+autodoc_mock_imports = ["adafruit_logging", "adafruit_jwt", "rtc"]
 
 intersphinx_mapping = {
     "python": ("https://docs.python.org/3", None),