Class method analytics refactor

Description

Refactors the class and method analytics analyzer class to a somewhat more reasonable level.

Changes

Removed metrics that were performed by othere analyzers, as they are most likely better at it.

Additions

N/A

Test and Review

Resolves #154 (closed)

To be filled in by the reviewers

• All of the methods are commented to expectation

• The methods are tested to satisfaction

• There are no unnecessary files present in the MR

• The continuous integration has no problems with the MR

• The MR is filled in as requested (including labels, milestones, and reviewers)

• The documentation is up-to-date

• All nullable parameters are marked as such