Remove grid defaults

assets/styles/common/_variables.scss

@@ -1,9 +1,5 @@
 // Colors
 $brand-primary:         #27ae60;
 
-// Grid settings
-$main-sm-columns:       12;
-$sidebar-sm-columns:    4;
-
 // Vendor variables
 $fa-font-path:          '~font-awesome/fonts';

assets/styles/components/_grid.scss

@@ -1,16 +0,0 @@
-// Grid system
-.main {
-  @include make-col-ready();
-  @include media-breakpoint-up(sm) {
-    @include make-col($main-sm-columns);
-    .sidebar-primary & {
-      @include make-col($main-sm-columns - $sidebar-sm-columns);
-    }
-  }
-}
-.sidebar {
-  @include make-col-ready();
-  @include media-breakpoint-up(sm) {
-    @include make-col($sidebar-sm-columns);
-  }
-}

assets/styles/main.scss

@@ -8,7 +8,6 @@
 @import "components/buttons";
 @import "components/comments";
 @import "components/forms";
-@import "components/grid";
 @import "components/wp-classes";
 @import "layouts/header";
 @import "layouts/sidebar";