remove new options for style and separate line, now groups all chained

mentions on a mentionsline regardless of placement. fixes spacing

src/components/mention_link/mention_link.js

@@ -65,9 +65,6 @@ const MentionLink = {
     highlightClass () {
       if (this.highlight) return highlightClass(this.user)
     },
-    oldStyle () {
-      return !this.mergedConfig.mentionsNewStyle
-    },
     style () {
       if (this.highlight) {
         const {
@@ -83,8 +80,7 @@ const MentionLink = {
       return [
         {
           '-you': this.isYou,
-          '-highlighted': this.highlight,
-          '-oldStyle': this.oldStyle
+          '-highlighted': this.highlight
         },
         this.highlightType
       ]

src/components/mention_link/mention_link.scss

@@ -10,10 +10,6 @@
     border-radius: 2px;
   }
 
-  .original {
-    margin-right: 0.25em;
-  }
-
   .full {
     position: absolute;
     display: inline-block;
@@ -41,8 +37,6 @@
   }
 
   .new {
-    margin-right: 0.25em;
-
     &.-you {
       & .shortName,
       & .full {
@@ -61,41 +55,6 @@
       margin: 0;
     }
 
-    &:not(.-oldStyle) {
-      .short {
-        padding-left: 0.25em;
-        padding-right: 0;
-        padding-top: 0;
-        padding-bottom: 0;
-        line-height: 1.5;
-        font-size: inherit;
-
-        .at {
-          color: var(--faint);
-          opacity: 0.8;
-          padding-right: 0.25em;
-          vertical-align: -20%;
-        }
-      }
-
-      .you {
-        padding-right: 0.25em;
-      }
-
-      .userName {
-        display: inline-block;
-        color: var(--link);
-        line-height: inherit;
-        margin-left: 0;
-        padding-left: 0.125em;
-        padding-right: 0.25em;
-        padding-top: 0;
-        padding-bottom: 0;
-        border-top-right-radius: var(--btnRadius);
-        border-bottom-right-radius: var(--btnRadius);
-      }
-    }
-
     &.-striped {
       & .userName,
       & .full {

src/components/mention_link/mention_link.vue

@@ -18,8 +18,7 @@
       :class="classnames"
     >
       <button
-        class="short"
-        :class="[{ '-sublime': !highlight }, oldStyle ? 'button-unstyled' : 'button-default']"
+        class="short button-unstyled"
         @click.prevent="onClick"
       >
         <!-- eslint-disable vue/no-v-html -->