Revert "Use Travis' SSH key instead of our own"
Revert "Use Travis' SSH key instead of our own"

This reverts commit d79db826dd264ba0acbe5a960d087b402bc7bcd5.

GaryJones/wp-cli,2ndkauboy/wp-cli,gitlost/wp-cli,miya0001/wp-cli,2ndkauboy/wp-cli,GaryJones/wp-cli,2ndkauboy/wp-cli,miya0001/wp-cli,gitlost/wp-cli,miya0001/wp-cli,trepmal/wp-cli,gitlost/wp-cli,trepmal/wp-cli,GaryJones/wp-cli,rodrigoprimo/wp-cli,trepmal/wp-cli,aaemnnosttv/wp-cli,aaemnnosttv/wp-cli,aaemnnosttv/wp-cli,rodrigoprimo/wp-cli,rodrigoprimo/wp-cli