docs: remove old Jenkins assets

e2507968 · Jonathan Chang · cf639250 · cf639250 · cf639250 · cf639250
Commit e2507968 authored 5 years ago by Jonathan Chang
--- a/docs/assets/img/docs/brew-test-bot-failed-jenkins.png
+++ b/docs/assets/img/docs/brew-test-bot-failed-jenkins.png
--- a/docs/assets/img/docs/brew-test-bot-failed-test.png
+++ b/docs/assets/img/docs/brew-test-bot-failed-test.png
--- a/docs/assets/img/docs/brew-test-bot-passed-jenkins.png
+++ b/docs/assets/img/docs/brew-test-bot-passed-jenkins.png