Revert "Updating JSON doc string from ITK 4.6 with spacing corrections."

This reverts commit be4c8145696b58618ca381e0a3ce32baf3ee7015.

Change-Id: I1d2cf426b83c08cbebcc938958dc31b5f96faa40
Merge topic 'SIMPLEITK-568_FixSpacingInDoxygenFromITK' into next

4809197c Revert "Updating JSON doc string from ITK 4.6 with spacing corrections."