Remove buttons from Reshape Edge and Create Edge Interactively

These are the make straight line and make box buttons

added workflow:active-development label

mentioned in merge request !337 (merged)

closed via commit 0926bfb5

closed via commit e06b33f3

closed via merge request !337 (merged)

added workflow:customer-review and removed workflow:active-development labels

assigned to @ahines

mentioned in commit yumin/smtk@e06b33f3