COMP: Remove cmp0011 in wrapping

No need to use CMP0011 (was introduced in cmake 2.6.3).
Removed ITK_VERSION which is not used anywhere

Change-Id: I7c2f7dcd94e18cc30379ea5f19667b073e92f27c
Merge topic 'Remove-cmp0011'

65c0d2ba COMP: Remove cmp0011 in wrapping