fix(pom): update release-docs copy command without DISCLAIMER

[contrueCT]

Purpose of the PR

• close #xxx

Main Changes

cp -r -v $root_path/install-dist/release-docs/* $root_path/DISCLAIMER ${final.name}/ || exit
to
cp -r -v $root_path/install-dist/release-docs/* ${final.name}/ || exit

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