clear code

src/components/follow_button/follow_button.vue

@@ -1,7 +1,7 @@
 <template>
   <button
     class="btn btn-default follow-button"
-    :class="[buttonClass, { pressed: isPressed}]"
+    :class="{ pressed: isPressed }"
     :disabled="inProgress"
     :title="title"
     @click="onClick"

src/components/follow_card/follow_card.js

@@ -7,9 +7,6 @@ const FollowCard = {
     'user',
     'noFollowsYou'
   ],
-  data () {
-    return { }
-  },
   components: {
     BasicUserCard,
     RemoteFollow,
@@ -22,8 +19,6 @@ const FollowCard = {
     loggedIn () {
       return this.$store.state.users.currentUser
     }
-  },
-  methods: {
   }
 }
 

src/components/follow_card/follow_card.vue

@@ -18,7 +18,7 @@
       <template v-else>
         <FollowButton
           :user="user"
-          button-class="follow-card-follow-button"
+          class="follow-card-follow-button"
           :label-following="$t('user_card.follow_unfollow')"
         />
       </template>