Remove solarized.css

syntax highlighting was last used in 2014 and the style doesn't adapt well to the dark theme

Author: paper42

_layouts/default.html

@@ -8,7 +8,6 @@
 		<link rel="icon" type="image/png" href="/assets/img/favicon.png" />
 		<link rel="stylesheet" href="/assets/css/bootstrap.min.css">
 		<link rel="stylesheet" href="/assets/css/screen.css">
-		<link rel="stylesheet" href="/assets/css/solarized.css">
 		<link rel="stylesheet" href="/assets/css/misc.css">
 		<link href='/assets/css/font-ubuntu.css' rel='stylesheet' type='text/css'>
 		{% if site.snow == 1 %}<link rel="stylesheet" type="text/css" href="/assets/css/snow.css" />{% endif %}