Revisions: Remove the ID from the "restored by" line. props adamsilverstein. see #18733.

git-svn-id: http://core.svn.wordpress.org/trunk@24156 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Revisions UI: Add translation contexts and remove unneeded lines.

props nao. fixes #23917.

git-svn-id: http://core.svn.wordpress.org/trunk@24157 1a063a9b-81f0-0310-95a4-ce76da25c4cd