fix(button-link): remove ButtonLink.modules.css

To fix build error when using compose to include styles from a .scss file

src/components/Button/Button.modules.scss

@@ -15,6 +15,14 @@ $text-color: $color-white;
   box-shadow: 0 0 0 1px;
 }
 
+// FIXME: Used for ButtonLink.
+// Tried to do composes: primary from '../../Button/Button.modules.scss'; but unsuccessful due to rollup config + CSS Modules complications.
+@mixin visited($text-color) {
+  &:visited {
+    color: $text-color;
+  }
+}
+
 .button {
   @include helvetica-neue-medium-65;
 
@@ -59,13 +67,14 @@ $text-color: $color-white;
   }
 }
 
-
 .primary {
   composes: button;
 
   background-color: $primary-bg-color;
   color: $text-color;
 
+  @include visited($text-color);
+
   &:hover {
     @include border;
 
@@ -80,6 +89,8 @@ $text-color: $color-white;
   background-color: $secondary-bg-color;
   color: $text-color;
 
+  @include visited($text-color);
+
   &:hover {
     @include border;
 
@@ -93,6 +104,8 @@ $text-color: $color-white;
 
   color: $secondary-bg-color;
 
+  @include visited($secondary-bg-color);
+
   &:hover {
     background-color: $secondary-bg-color;
     color: $text-color;
@@ -107,6 +120,8 @@ $text-color: $color-white;
   background-color: transparent;
   color: $text-color;
 
+  @include visited($text-color);
+
   &:hover {
     background-color: $text-color;
     color: $secondary-bg-color;
@@ -120,6 +135,8 @@ $text-color: $color-white;
 
   color: $secondary-bg-color;
 
+  @include visited($secondary-bg-color);
+
   &:hover {
     @include border;
 

src/components/Link/ButtonLink/ButtonLink.jsx

@@ -4,7 +4,7 @@ import PropTypes from 'prop-types'
 import { warn } from '../../../warn'
 import safeRest from '../../../safeRest'
 
-import styles from './ButtonLink.modules.scss'
+import styles from '../../Button/Button.modules.scss'
 
 const getClassName = (variant, invert) => {
   if (variant === 'primary' && invert) {