Currently user get redundant HTTP error code in error message.
Removed redundant HTTP error code from the message.
For Example:
Error message display when user trying to get the non existing image:
$ glance image-show f433471a-53a8-4d31-bf8f-f0b6b594dfc
Error message:
404 Not Found: No image found with ID f433471a-53a8-4d31-bf8f-f0b6b594dfc (HTTP 404)
After this fix:
HTTP 404 Not Found: No image found with ID f433471a-53a8-4d31-bf8f-f0b6b594dfc
Closes-Bug: #1598714
Change-Id: I33971a2a16416c8538158299325471c2a69dbb3e