se-edu / addressbook-level4 / 4250

94%

Pull #836

travis-ci

UniquePersonList: update remove return type

UniquePersonList#remove(Person) returns true if the person passed into
this method can be found in internal list, and false otherwise. It also
throws PersonNotFoundException if a person is not found.

Returning a boolean is not required as the exception is thrown before
the value is returned.

Let's update the return type for UniquePersonList#remove(Person) to
void.

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