Merge pull request #252 from braingourmets/cleanup/remove-sass-deprec…

…ation-warning

[CLEANUP] Remove Sass deprecation warning

vendor/assets/scss/xy-grid/_gutters.scss

@@ -30,7 +30,7 @@
 
       // Loop through each gutter position
       @each $value in $gutter-position {
-        #{$gutter-type}-#{$value}: #{$operator}$gutter;
+        #{$gutter-type}-#{$value}: unquote("#{$operator}#{$gutter}");
       }
     }
   }
@@ -39,7 +39,7 @@
 
     // Loop through each gutter position
     @each $value in $gutter-position {
-      #{$gutter-type}-#{$value}: #{$operator}$gutter;
+      #{$gutter-type}-#{$value}: unquote("#{$operator}#{$gutter}");
     }
   }
 }