Remove deprecated assertions

[DamnClin]

This should be merged only in a few versions to let user take care of
deprecated APIs

[pascalgrimaud]

Thanks, I'm changing the PR to draft, so we won't merge it by mistake
I should launch the v0.4.0 today or tomorrow, so we can merge this for v0.5.0

[codecov]

Codecov Report

Merging #1684 (a42da7d) into main (992d45e) will not change coverage.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##                main     #1684   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
+ Complexity      1661      1649   -12     
===========================================
  Files            355       355           
  Lines           5887      5862   -25     
  Branches         145       139    -6     
===========================================
- Hits            5887      5862   -25     

Impacted Files	Coverage Δ
...n/java/tech/jhipster/lite/error/domain/Assert.java	100.00% <ø> (ø)
...enerator/server/javatool/base/domain/JavaBase.java	100.00% <100.00%> (ø)

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