Remove unused class in mini pipeline graph

app/assets/javascripts/vue_merge_request_widget/components/mr_widget_pipeline.vue

@@ -246,9 +246,6 @@ export default {
                 <div
                   v-for="(stage, i) in pipeline.details.stages"
                   :key="i"
-                  :class="{
-                    'has-downstream': hasDownstream(i),
-                  }"
                   class="stage-container dropdown mr-widget-pipeline-stages"
                   data-testid="widget-mini-pipeline-graph"
                 >

app/assets/javascripts/vue_merge_request_widget/mixins/mr_widget_pipeline.js

@@ -7,9 +7,4 @@ export default {
       return [];
     },
   },
-  methods: {
-    hasDownstream() {
-      return false;
-    },
-  },
 };

ee/app/assets/javascripts/vue_merge_request_widget/mixins/mr_widget_pipeline.js

@@ -12,9 +12,4 @@ export default {
       return response ? [response] : [];
     },
   },
-  methods: {
-    hasDownstream(i) {
-      return i === this.pipeline.details.stages.length - 1 && this.triggered.length;
-    },
-  },
 };

ee/app/assets/stylesheets/page_bundles/pipeline.scss

@@ -3,19 +3,6 @@
 /**
  * Cross-project pipelines (applied conditionally to pipeline graph)
  */
-
-.stage-cell {
-  .stage-container {
-    &.has-downstream {
-      &::after {
-        content: '';
-        width: 0;
-        border: 0;
-      }
-    }
-  }
-}
-
 .upstream-pipeline {
   margin-right: 84px;
 }