Description of problem:
Error refreshing Openstack provider because of deleted flavors.

[----] E, [2018-07-25T11:49:48.093023 #22499:86f13c] ERROR -- : [EmsRefresh::Refreshers::EmsRefresherMixin::PartialRefreshError]: Expected([200, 203]) <=> Actual(404 Not Fo
und)
excon.error.response
  :body          => "{\"itemNotFound\": {\"message\": \"Flavor 5dcd5add-1e3c-4678-bf54-2bc4325b1198 could not be found.\", \"code\": 404}}"
  :cookies       => [
  ]
  :headers       => {
    "Content-Length"               => "109"
    "Content-Type"                 => "application/json; charset=UTF-8"
    "Date"                         => "Wed, 25 Jul 2018 15:49:48 GMT"
    "Openstack-Api-Version"        => "compute 2.1"
    "Vary"                         => "OpenStack-API-Version, X-OpenStack-Nova-API-Version"
    "X-Compute-Request-Id"         => "req-1b90f620-362c-420f-8c4a-d627173fadf5"
    "X-Openstack-Nova-Api-Version" => "2.1"
  }
  :host          => "cloudapimtl.desjardins.com"
  :local_address => "xxx.xxx.xxx.xxx"
  :local_port    => 54424
  :path          => "/v2.1/flavors/5dcd5add-1e3c-4678-bf54-2bc4325b1198/os-flavor-access"
  :port          => 8774
  :reason_phrase => "Not Found"
  :remote_ip     => "xxx.xxx.xxx.xxx"
  :status        => 404
  :status_line   => "HTTP/1.1 404 Not Found\r\n"
  Method:[rescue in deliver]

Version-Release number of selected component (if applicable):
CloudForms 5.8.3.4
OSP 10

How reproducible:


Steps to Reproduce:
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Actual results:


Expected results:


Additional info: