Gradle migration

[DamnClin]

This is not really a migration since gradle support is currently not
working. We agreed to keep the templating and remove the endpoints.

I also deleted some unused methods in project repository in the process

Close #2503

[codecov]

Codecov Report

Merging #2528 (a6e5c69) into main (aa3cec4) will not change coverage.
The diff coverage is 100.00%.

❗ Current head a6e5c69 differs from pull request most recent head 4687e94. Consider uploading reports for the commit 4687e94 to get more accurate results

@@             Coverage Diff             @@
##                main     #2528   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
+ Complexity      2313      2311    -2     
===========================================
  Files            541       542    +1     
  Lines           9235      9225   -10     
  Branches         221       221           
===========================================
- Hits            9235      9225   -10     

Impacted Files	Coverage Δ
...lite/generator/buildtool/gradle/domain/Gradle.java	100.00% <ø> (ø)
...r/buildtool/gradle/domain/GradleDomainService.java	100.00% <ø> (ø)
...te/generator/project/domain/ProjectRepository.java	100.00% <ø> (ø)
...frastructure/secondary/ProjectLocalRepository.java	100.00% <ø> (ø)
...r/buildtool/gradle/domain/GradleModuleFactory.java	100.00% <100.00%> (ø)
...ster/lite/module/domain/JHipsterModuleContext.java	100.00% <0.00%> (ø)
...r/lite/generator/buildtool/maven/domain/Maven.java	100.00% <0.00%> (ø)
...le/domain/properties/JHipsterModuleProperties.java	100.00% <0.00%> (ø)
...tor/buildtool/maven/domain/MavenDomainService.java	100.00% <0.00%> (ø)
... and 14 more

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[pascalgrimaud]

minor conflict to resolve, maybe because of some merges, few mins ago