omit unnecessary file

resource/styles/scss/_mixins.scss

@@ -1,12 +0,0 @@
-
-// Badget
-@mixin badge-variant($color) {
-  background-color: $color;
-
-  &[href] {
-    &:hover,
-    &:focus {
-      background-color: darken($color, 10%);
-    }
-  }
-}