Remove transversal as view direction

Summary:
Remove "transversal" in miscellaneous files

Replace with "axial" to be consistent with other view
directions inside MITK.

Remove misspelled "transveral" in miscellaneous files

Replace with "axial" to be consistent with other view
directions inside MITK.

Test Plan: manual static code analysis

Reviewers: kislinsk, floca, O3 MITK Reviewer Group II, O1 MITK Reviewer Group I

Reviewed By: kislinsk, O3 MITK Reviewer Group II, O1 MITK Reviewer Group I

Subscribers: kalali, floca, kislinsk

Maniphest Tasks: T29207

Differential Revision: https://phabricator.mitk.org/D669