Remove Beta flag from DevKeys Docs
Remove Beta flag from DevKeys Docs

refs PLAT-3752

Test Plan:
n/a

Change-Id: I11caa879c08c82d2f9a09c3ad46ce52d75ba84ca
Reviewed-on: https://gerrit.instructure.com/169914
Tested-by: Jenkins
Reviewed-by: Weston Dransfield <e9203059795dc94e28a8831c65eb7869e818825e@instructure.com>
QA-Review: Weston Dransfield <e9203059795dc94e28a8831c65eb7869e818825e@instructure.com>
Product-Review: Jesse Poulos <0a3f73d5b21621dbbacf36ae20620a7eb669a89e@instructure.com>

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