Twenty Fifteen: escaping here breaks color schemes.

Props celloexpressions, iamtakashi, fixes #30409.



Built from https://develop.svn.wordpress.org/trunk@30398


git-svn-id: http://core.svn.wordpress.org/trunk@30394 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Fifteen: Removing unneeded CSS from RTL causing odd hover effects.

Props yoavf, iamtakashi, fixes #30360.



Built from https://develop.svn.wordpress.org/trunk@30399


git-svn-id: http://core.svn.wordpress.org/trunk@30395 1a063a9b-81f0-0310-95a4-ce76da25c4cd