fix(server): remove the judgment for java8 compatibility in the init-store

[Tsukilc]

Purpose of the PR

• close #xxx

Main Changes

Verifying these changes

• Trivial rework / code cleanup without any test coverage. (No Need)
• Already covered by existing tests, such as (please modify tests here).
• Need tests and can be verified as follows:
  • xxx

Does this PR potentially affect the following parts?

• Dependencies (add/update license info & regenerate_known_dependencies.sh)
• Modify configurations
• The public API
• Other affects (typed here)
• Nope

Documentation Status

• Doc - TODO
• Doc - Done
• Doc - No Need

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 31.90%. Comparing base (496b150) to head (71eb68a).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #2905      +/-   ##
============================================
- Coverage     35.55%   31.90%   -3.66%     
- Complexity      333      488     +155     
============================================
  Files           802      802              
  Lines         67564    67564              
  Branches       8776     8776              
============================================
- Hits          24024    21554    -2470     
- Misses        40984    43609    +2625     
+ Partials       2556     2401     -155     

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[imbajin]

TODO: we need to ensure the root case. merge it first