Rollup merge of #49234 - kennytm:revert-fix-dpl-788, r=alexcrichton
Rollup merge of #49234 - kennytm:revert-fix-dpl-788, r=alexcrichton

dpl 1.9.5 has been released, revert #49217.

dpl 1.9.5 has been released which includes travis-ci/dpl#789, so we could move back to the standard Travis settings before that `s3-eager-autoload` branch is removed.

GBGamer/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,GBGamer/rust,graydon/rust,aidancully/rust,GBGamer/rust,aidancully/rust,GBGamer/rust,graydon/rust,graydon/rust,aidancully/rust,GBGamer/rust,aidancully/rust,GBGamer/rust,GBGamer/rust,graydon/rust,GBGamer/rust