Removed unused "active" handling in <GhPostListItem>

no issue

- "active" post list items no longer exist so we can remove the code related to handling the scroll-into-view and style changes

ghost/admin/app/components/gh-posts-list-item.js

@@ -10,14 +10,8 @@ export default Component.extend({
 
     tagName: 'li',
     classNames: ['gh-list-row', 'gh-posts-list-item'],
-    classNameBindings: ['active'],
 
     post: null,
-    active: false,
-
-    // closure actions
-    onClick() {},
-    onDoubleClick() {},
 
     isFeatured: alias('post.featured'),
     isPage: alias('post.page'),
@@ -47,42 +41,5 @@ export default Component.extend({
         } else {
             return `${text.slice(0, 80)}...`;
         }
-    }),
-
-    didReceiveAttrs() {
-        if (this.active) {
-            this.scrollIntoView();
-        }
-    },
-
-    click() {
-        this.onClick(this.post);
-    },
-
-    doubleClick() {
-        this.onDoubleClick(this.post);
-    },
-
-    scrollIntoView() {
-        let element = this.$();
-        let offset = element.offset().top;
-        let elementHeight = element.height();
-        let container = $('.content-list');
-        let containerHeight = container.height();
-        let currentScroll = container.scrollTop();
-        let isBelowTop, isAboveBottom, isOnScreen;
-
-        isAboveBottom = offset < containerHeight;
-        isBelowTop = offset > elementHeight;
-
-        isOnScreen = isBelowTop && isAboveBottom;
-
-        if (!isOnScreen) {
-            // Scroll so that element is centered in container
-            // 40 is the amount of padding on the container
-            container.clearQueue().animate({
-                scrollTop: currentScroll + offset - 40 - containerHeight / 2
-            });
-        }
-    }
+    })
 });

ghost/admin/app/styles/layouts/content.css

@@ -359,12 +359,6 @@
     }
 }
 
-@media (min-width: 901px) {
-    .content-list .active a {
-        box-shadow: var(--blue) 3px 0 0 inset;
-    }
-}
-
 
 /* Empty State
 /* ---------------------------------------------------------- */

ghost/admin/app/templates/pages.hbs

@@ -96,7 +96,6 @@
             {{#each postsInfinityModel as |page|}}
                 {{gh-posts-list-item
                     post=page
-                    onDoubleClick=(action "openEditor")
                     data-test-page-id=page.id}}
             {{else}}
                 <li class="no-posts-box">

ghost/admin/app/templates/posts.hbs

@@ -96,7 +96,6 @@
             {{#each postsInfinityModel as |post|}}
                 {{gh-posts-list-item
                     post=post
-                    onDoubleClick=(action "openEditor")
                     data-test-post-id=post.id}}
             {{else}}
             <li class="no-posts-box">