Trivial fixes in recon middleware

Fix docstring and remove unused mount_check var.

Change-Id: I30ead8b72cb616d1311ffc81d9cfecb1afc9a05e

swift/common/middleware/recon.py

@@ -24,8 +24,7 @@ from swift import gettext_ as _
 from swift.common.constraints import check_mount
 from swift.common.storage_policy import POLICIES
 from swift.common.swob import Request, Response
-from swift.common.utils import get_logger, config_true_value, \
-    SWIFT_CONF_FILE, md5_hash_for_file
+from swift.common.utils import get_logger, SWIFT_CONF_FILE, md5_hash_for_file
 
 
 class ReconMiddleware(object):
@@ -35,7 +34,7 @@ class ReconMiddleware(object):
     /recon/load|mem|async... will return various system metrics.
 
     Needs to be added to the pipeline and requires a filter
-    declaration in the object-server.conf:
+    declaration in the [account|container|object]-server conf file:
 
     [filter:recon]
     use = egg:swift#recon
@@ -66,8 +65,6 @@ class ReconMiddleware(object):
             self.rings.append(os.path.join(swift_dir,
                                            policy.ring_name + '.ring.gz'))
 
-        self.mount_check = config_true_value(conf.get('mount_check', 'true'))
-
     def _from_recon_cache(self, cache_keys, cache_file, openr=open):
         """retrieve values from a recon cache file