Remove redundant test in item_spec

Tests "hides comment count" and
"renders item with no status icon for none event"
were testing the same state against snapshots
that are equivalent. The test "hides comment count"
has been removed in favour of the other.

ee/spec/frontend/design_management/components/list/__snapshots__/item_spec.js.snap

 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`Design management list item component with no notes hides comment count 1`] = `
-<router-link-stub
-  class="card cursor-pointer text-plain js-design-list-item design-list-item"
-  to="[object Object]"
->
-  <div
-    class="card-body p-0 d-flex-center overflow-hidden position-relative"
-  >
-    <!---->
-     
-    <img
-      alt="test"
-      class="block ml-auto mr-auto mw-100 mh-100 design-img"
-      data-qa-selector="design_image"
-      src="http://via.placeholder.com/300"
-    />
-  </div>
-   
-  <div
-    class="card-footer d-flex w-100"
-  >
-    <div
-      class="d-flex flex-column str-truncated-100"
-    >
-      <span
-        class="bold str-truncated-100"
-        data-qa-selector="design_file_name"
-      >
-        test
-      </span>
-       
-      <span
-        class="str-truncated-100"
-      >
-        
-        Updated 
-        <timeago-stub
-          cssclass=""
-          time="01-01-2019"
-          tooltipplacement="bottom"
-        />
-      </span>
-    </div>
-     
-    <!---->
-  </div>
-</router-link-stub>
-`;
-
 exports[`Design management list item component with no notes renders item with correct status icon for creation event 1`] = `
 <router-link-stub
   class="card cursor-pointer text-plain js-design-list-item design-list-item"

ee/spec/frontend/design_management/components/list/item_spec.js

@@ -57,7 +57,7 @@ describe('Design management list item component', () => {
   });
 
   describe('with no notes', () => {
-    it('hides comment count', () => {
+    it('renders item with no status icon for none event', () => {
       createComponent();
 
       expect(wrapper.element).toMatchSnapshot();
@@ -81,12 +81,6 @@ describe('Design management list item component', () => {
       expect(wrapper.element).toMatchSnapshot();
     });
 
-    it('renders item with no status icon for none event', () => {
-      createComponent();
-
-      expect(wrapper.element).toMatchSnapshot();
-    });
-
     it('renders loading spinner when isLoading is true', () => {
       createComponent({ isLoading: true });