ceph-volume: remove exc_info from ceph.conf load warning

This commit removes exc_info=1 from the logger.warning call when failing to
load ceph.conf. According to the preceding comment, this scenario can happen
legitimately, so it is not an unexpected error, it means there is no need to
clutter the logs with a full python traceback for this case.

Signed-off-by: Guillaume Abrioux <[email protected]>

Author: guits

src/ceph-volume/ceph_volume/main.py

@@ -168,7 +168,7 @@ def main(self, argv):
             # we warn only here, because it is possible that the configuration
             # file is not needed, or that it will be loaded by some other means
             # (like reading from lvm tags)
-            logger.warning('ignoring inability to load ceph.conf', exc_info=1)
+            logger.warning('ignoring inability to load ceph.conf')
             terminal.yellow(error)
         # dispatch to sub-commands
         terminal.dispatch(self.mapper, subcommand_args)