spec: remove duplicate tests
spec: remove duplicate tests

The behavior covered by these tests is covered more effectively
in the column spec files.

refs CNVS-38346

test plan:
* ensure Jenkins passes

Change-Id: I85c74849b4e7376430aae28065d34c44f33bb4e4
Reviewed-on: https://gerrit.instructure.com/120979
Reviewed-by: Shahbaz Javeed <6692d7be3fa215e5483a121d6fb314def6049877@instructure.com>
Tested-by: Jenkins
Product-Review: Jeremy Neander <20252aad5efdc666f083d82ab63ed0f9f72a043e@instructure.com>
QA-Review: Jeremy Neander <20252aad5efdc666f083d82ab63ed0f9f72a043e@instructure.com>

djbender/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,venturehive/canvas-lms,venturehive/canvas-lms,instructure/canvas-lms,venturehive/canvas-lms,venturehive/canvas-lms,djbender/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,instructure/canvas-lms