Validation for duplication of data across overriden methods.

[alcatrazEscapee]

The Issue

Duplicated, identical data in the Parchment repo across overriden methods. This includes parameter names and javadocs, and leads to extra unnecessary bulk in the repo (now that we know the full inheritance hierarchy is being populated on export).

Example:

These parameter and docs are duplicated in a subclass here.

A validator that both:

• Detects cases where identical data is present in subclasses, and
• Painlessly remove said additional duplicated data.

would be ideal.