BugFix/#1421_-_Unable to delete device in database when the device did not exist in IoTHub

[Sben65]

Description

What's new?

• resolve Bug: Unable to delete device in database when the device did not exist in IoTHub #1421

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• Tests
• Other

[codecov]

Codecov Report

Base: 89.55% // Head: 89.57% // Increases project coverage by +0.02% 🎉

Coverage data is based on head (6d6c0c2) compared to base (b7d2514).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1499      +/-   ##
==========================================
+ Coverage   89.55%   89.57%   +0.02%     
==========================================
  Files         255      255              
  Lines        8080     8099      +19     
==========================================
+ Hits         7236     7255      +19     
  Misses        844      844              

Impacted Files	Coverage Δ
...eIoTHub.Portal.Server/Jobs/SyncConcentratorsJob.cs	93.33% <100.00%> (+0.60%)	⬆️
...c/AzureIoTHub.Portal.Server/Jobs/SyncDevicesJob.cs	93.06% <100.00%> (+0.67%)	⬆️
...zureIoTHub.Portal.Server/Jobs/SyncEdgeDeviceJob.cs	91.25% <100.00%> (+0.58%)	⬆️

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[kbeaugrand]

This will only remove edge devices, you should also do the same with devices and concentrator please

[kbeaugrand]

LGTM