Further translator refactoring and optimization

[Coduz]

This PR follows and completes work done in #2876 with improved code and removal of some duplicated code.

Related Issue
This PR integrates changes made in #2876

Description of the solution adopted
Where possible refactored code to make reuse of logic.
Removed UnmatchedMessages classes which were no longer used.

Screenshots
None

Any side note on the changes made
None

[codecov]

Codecov Report

Merging #2956 into develop will increase coverage by 0.19%.
The diff coverage is 50.00%.

@@              Coverage Diff              @@
##             develop    #2956      +/-   ##
=============================================
+ Coverage      55.62%   55.82%   +0.19%     
- Complexity      2552     2555       +3     
=============================================
  Files           1048     1044       -4     
  Lines          22810    22692     -118     
  Branches        2051     2036      -15     
=============================================
- Hits           12688    12667      -21     
+ Misses          9176     9095      -81     
+ Partials         946      930      -16     

Impacted Files	Coverage Δ	Complexity Δ
...ua/broker/core/listener/DeviceMessageListener.java	60.46% <ø> (+3.01%)	0.00 <0.00> (ø)
...pua/broker/core/listener/ErrorMessageListener.java	79.16% <ø> (+17.87%)	0.00 <0.00> (ø)
.../kapua/broker/core/plugin/ConnectorDescriptor.java	100.00% <ø> (ø)	0.00 <0.00> (ø)
...re/plugin/DefaultConnectorDescriptionProvider.java	98.33% <ø> (-0.06%)	0.00 <0.00> (ø)
...ce/lifecycle/KapuaLifecycleMessageFactoryImpl.java	46.15% <ø> (+8.65%)	0.00 <0.00> (ø)
.../service/device/call/kura/app/SnapshotMetrics.java	0.00% <0.00%> (ø)	0.00 <0.00> (ø)
...e/kura/lifecycle/AbstractKuraAppsBirthChannel.java	100.00% <ø> (ø)	1.00 <0.00> (ø)
...e/kura/lifecycle/AbstractKuraAppsBirthMessage.java	100.00% <ø> (ø)	1.00 <0.00> (ø)
...e/kura/lifecycle/AbstractKuraAppsBirthPayload.java	35.41% <ø> (ø)	30.00 <0.00> (ø)
...e/kura/lifecycle/AbstractKuraLifecyclePayload.java	100.00% <ø> (ø)	1.00 <0.00> (?)
... and 46 more