Stop calculating v1 URL

This was a holdover from Keeper v1 to maintain consistency in logging,
but overall its not safe to do this because the v1 APIs may not be
enabled for a given deployment.

keeper/models.py

@@ -884,15 +884,8 @@ def should_rebuild(self, build: Build) -> bool:
         logger = get_logger(__name__)
         logger.info("Inside Edition.should_rebuild")
 
-        # shim during refactoring
-        from keeper.api._urls import url_for_edition
-
         logger = get_logger(__name__)
 
-        logger.info(
-            "Edition {!r} in should_rebuild".format(url_for_edition(self))
-        )
-
         candidate_build = build
 
         # Prefilter
@@ -907,8 +900,7 @@ def should_rebuild(self, build: Build) -> bool:
 
             tracking_mode = edition_tracking_modes[self.default_mode_id]
             logger.warning(
-                "Edition {!r} has an unknown tracking"
-                "mode".format(url_for_edition(self))
+                "Edition {!r} has an unknown tracking" "mode".format(self.slug)
             )
 
         return tracking_mode.should_update(self, candidate_build)