refactor: remove redudant workflows and removed serve package

[EraKin575]

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Closes: #1430

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• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Code style update (formatting, local variables)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

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Checklist:

• My code follows the style guidelines of this project.
• I have performed a self-review of my own code.
• I have commented my code, particularly in hard-to-understand areas.
• I have made corresponding changes to the documentation.
• My changes generate no new warnings.
• I have added tests that prove my fix is effective or that my feature works.
• New and existing unit tests pass locally with my changes.

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[Sarthak160]

@EraKin575 Java workflow is breaking, and since @PranshuSrivastava stated we should now use java -jar "path-to-jar" command instead of mvn run.

[Sarthak160]

Ship it

[PranshuSrivastava]

LGTM