[gabrieltesfaye12]

• I have read CONTRIBUTING.md.
• This pull request is all my own work -- I have not plagiarized it.
• All filenames are in PascalCase.
• All functions and variable names follow Java naming conventions.
• All new algorithms have a URL in their comments that points to Wikipedia or other similar explanations.
• All new algorithms include a corresponding test class that validates their functionality.
• All new code is formatted with clang-format -i --style=file path/to/your/file.java

[DenizAltunkapan]

Thanks for contributing. This PR adds another definition of surfaceAreaPyramid(), which is already implemented in Area.java. The change would introduce a duplicate method and does not provide any new functionality. Closing as redundant.