remove container fluid classes

scss/_mixins.scss

@@ -1,3 +1,2 @@
 @import "mixins/mixins";
 @import "mixins/functions";
-@import "mixins/container-breakpoints";

scss/mixins/_container-breakpoints.scss

@@ -1,8 +0,0 @@
-
-@mixin make-container-breakpoints($max-widths: $container-max-widths) {
-  @each $breakpoint, $max-width in $max-widths {
-    &-#{$breakpoint} {
-      max-width: $max-width;
-    }
-  }
-}

scss/ui/_grid.scss

@@ -1,7 +1,3 @@
-.container {
-  @include make-container-breakpoints();
-}
-
 .col-separator {
   border-left: 1px solid $border-color;
 }