Deletes this constraint. The IsDeletable property can be used to determine if this constraint can be deleted.
| "circularPatternConstraint_var" is a variable referencing a CircularPatternConstraint object.  | 
| "circularPatternConstraint_var" is a variable referencing a CircularPatternConstraint object.  | 
| Type | Description | 
| boolean | Returns true if the delete was successful. |