Clean up debugging cruft

In the process of working on SwiftOnFile, there was a bunch of
unwanted debugging messages and cruft just to trace dataflow.
I don't think this should be in the release build, so cleaning
it up now.

Change-Id: I7fdb1de48cb97ec7e1629102d032f722210675fc

swiftonhpss/swift/obj/server.py

@@ -25,8 +25,6 @@ except ImportError:
     import swiftonhpss.swift.common.hpssfs_ioctl as hpssfs
 import time
 
-import eventlet
-
 from hashlib import md5
 from swift.common.swob import HTTPConflict, HTTPBadRequest, HeaderKeyDict, \
     HTTPInsufficientStorage, HTTPPreconditionFailed, HTTPRequestTimeout, \
@@ -392,14 +390,12 @@ class ObjectController(server.ObjectController):
                 hpss_headers = disk_file.read_hpss_system_metadata()
                 response.headers.update(hpss_headers)
             except SwiftOnFileSystemIOError:
-                disk_file._close_fd()
                 return HTTPServiceUnavailable(request=request)
 
         if 'X-Object-Sysmeta-Update-Container' in response.headers:
             self._sof_container_update(request, response)
             response.headers.pop('X-Object-Sysmeta-Update-Container')
 
-        disk_file._close_fd()
         return response
 
     @public
@@ -413,9 +409,6 @@ class ObjectController(server.ObjectController):
             'X-Storage-Token' not in request.headers
         )
 
-        if 'X-Debug-Stop' in request.headers:
-            raise eventlet.StopServe()
-
         # Get Diskfile
         try:
             disk_file = self.get_diskfile(device, partition, account,
@@ -469,7 +462,6 @@ class ObjectController(server.ObjectController):
                         return HTTPServiceUnavailable(request=request)
                 return request.get_response(response)
         except (DiskFileNotExist, DiskFileQuarantined) as e:
-            disk_file._close_fd()
             headers = {}
             if hasattr(e, 'timestamp'):
                 headers['X-Backend-Timestamp'] = e.timestamp.internal