Make wp_remove_object_terms() return false if nothing has been deleted. props kovshenin. fixes #15475.

git-svn-id: http://core.svn.wordpress.org/trunk@23552 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove redundant esc_url() call. props pauldewouters. fixes #23643.

git-svn-id: http://core.svn.wordpress.org/trunk@23553 1a063a9b-81f0-0310-95a4-ce76da25c4cd