refactor(core-kernel): remove app.events and all of its usages

[rainydio]

Summary

Along with #3833 fixes #3798. Requires #3833 to be merged first.

Checklist

• Tests
• Ready to be merged

[codecov]

Codecov Report

Merging #3835 into develop will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff            @@
##           develop    #3835   +/-   ##
========================================
  Coverage    91.99%   91.99%           
========================================
  Files          620      620           
  Lines        14795    14796    +1     
  Branches      1849     1849           
========================================
+ Hits         13610    13611    +1     
  Misses         938      938           
  Partials       247      247           

Flag	Coverage Δ
#functional	6.08% <0.00%> (-0.01%)	⬇️
#integration	9.59% <0.00%> (-0.01%)	⬇️
#unit	90.05% <100.00%> (+<0.01%)	⬆️

Impacted Files	Coverage Δ
packages/core-manager/src/service-provider.ts	100.00% <ø> (ø)
packages/core-blockchain/src/blockchain.ts	97.60% <100.00%> (ø)
...hain/src/state-machine/actions/blockchain-ready.ts	100.00% <100.00%> (ø)
packages/core-database/src/database-service.ts	97.24% <100.00%> (ø)
packages/core-kernel/src/application.ts	100.00% <100.00%> (ø)
...tstrap/service-providers/boot-service-providers.ts	100.00% <100.00%> (ø)
...s/core-kernel/src/services/queue/drivers/memory.ts	97.50% <100.00%> (ø)
...ges/core-kernel/src/services/schedule/block-job.ts	100.00% <100.00%> (ø)
...ages/core-kernel/src/services/schedule/cron-job.ts	100.00% <100.00%> (ø)
packages/core-manager/src/listener.ts	100.00% <100.00%> (ø)
... and 14 more

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