client: Use logger rather than console prints

Currently the REST implementation uses print() for logging rather than
the module's logger, logging every submission.  Convert this to a debug
log via the standard python logging framework.

Signed-off-by: Mark Brown <broonie@kernel.org>

Author: broonie

kcidb/__init__.py

@@ -130,7 +130,7 @@ def rest_submit(self, data):
         Uses the environment variable KCIDB_REST to get the REST URI
         and credentials.
         """
-        print("Submitting report over REST API")
+        LOGGER.debug("Submitting report over REST API")
         vre = self.REST_REGEX
         match = vre.match(self._resturi)
         if match: