Revert "Avoid scrollbars on blockquote when not necessary"
Revert "Avoid scrollbars on blockquote when not necessary"

This reverts commit f7c15b505166c5c05f90bfe9346f15407b7e76c0.

This caused non-highlighted content to have almost no padding.

sindresorhus/refined-github,sindresorhus/refined-github