Move import printing styles

_sass/_default.scss

@@ -6,6 +6,8 @@
  * License: Creative Commons Attribution 3.0 License
  * Website: http://themes.3rdwavemedia.com/
 */
+
 @import "mixins";
 @import "base";
 @import "responsive";
+@import "print";

assets/css/main.scss

@@ -1,4 +1,4 @@
----
+--
 
 ---
 
@@ -6,4 +6,3 @@
 
 @import "skins/{{ site.theme_skin | default: 'blue' }}"; // skin
 @import "default"; // main partials
-@import "print"; // print styles