Fixes in Device Management Notification service

[Coduz]

This PR fixes small problems found on the Device management notification service.

Related Issue
None

Description of the solution adopted
Fixes performed:

• Removed duplicate classes (Xml Registries classes)
• Removed unused OperationStatus in kapua-device-call-api module.

Screenshots
None

Any side note on the changes made
None

[codecov]

Codecov Report

Merging #2777 into develop will decrease coverage by 0.1%.
The diff coverage is n/a.

@@              Coverage Diff              @@
##             develop    #2777      +/-   ##
=============================================
- Coverage      57.11%   57.01%   -0.11%     
+ Complexity      3138     3115      -23     
=============================================
  Files           1077     1074       -3     
  Lines          30514    30495      -19     
  Branches        2423     2423              
=============================================
- Hits           17428    17386      -42     
- Misses         11933    11954      +21     
- Partials        1153     1155       +2

Impacted Files	Coverage Δ	Complexity Δ
...pse/kapua/transport/mqtt/MqttClientErrorCodes.java	0% <0%> (-100%)	0% <0%> (-1%)
...ne/queue/jbatch/QueuedJobExecutionCreatorImpl.java	0% <0%> (-100%)	0% <0%> (-9%)
...ob/engine/queue/jbatch/QueuedJobExecutionImpl.java	9.09% <0%> (-54.55%)	1% <0%> (-7%)
...job/engine/queue/jbatch/QueuedJobExecutionDAO.java	6.66% <0%> (-53.34%)	1% <0%> (-2%)
...e/jbatch/listener/QueuedJobExecutionCheckTask.java	58.06% <0%> (-29.04%)	4% <0%> (-3%)
...ipse/kapua/transport/mqtt/MqttClientException.java	0% <0%> (-28.58%)	0% <0%> (-1%)
...ne/queue/jbatch/QueuedJobExecutionServiceImpl.java	25% <0%> (-25%)	4% <0%> (-4%)
...ages/job/AbstractDevicePackageTargetProcessor.java	46.66% <0%> (-23.34%)	5% <0%> (-2%)
...a/job/engine/jbatch/listener/KapuaJobListener.java	75.69% <0%> (-14.59%)	22% <0%> (-6%)
...e/kapua/job/engine/jbatch/driver/JbatchDriver.java	56.3% <0%> (-12.61%)	14% <0%> (-6%)
... and 11 more

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