Theme Customizer: In customize_control_dropdown_pages(), remove bad...

Theme Customizer: In customize_control_dropdown_pages(), remove bad translation. Replace with proper customize-control- markup. see #19910.



git-svn-id: https://core.svn.wordpress.org/trunk@20210 1a063a9b-81f0-0310-95a4-ce76da25c4cd