[Integrated] RFR: contributor command: friendlier message when removing contributor

[Erik Helin]

Changeset: b7fd5b63
Author:    Erik Helin <ehelin at openjdk.org>
Date:      2020-02-11 11:08:21 +0000
URL:       https://git.openjdk.java.net/skara/commit/b7fd5b63

contributor command: friendlier message when removing contributor

Reviewed-by: rwestberg

! bots/pr/src/main/java/org/openjdk/skara/bots/pr/ContributorCommand.java
! bots/pr/src/test/java/org/openjdk/skara/bots/pr/ContributorTests.java