Removes loading spinner and props

It no longer makes a request to the API
there is no need to render a loading spinner

ee/app/assets/javascripts/pipelines/components/graph/linked_pipeline.vue

@@ -50,8 +50,7 @@ export default {
       class="js-linked-pipeline-content linked-pipeline-content"
       @click="onClickLinkedPipeline"
     >
-      <gl-loading-icon v-if="pipeline.isLoading" class="js-linked-pipeline-loading d-inline" />
-      <ci-status v-else :status="pipelineStatus" class="js-linked-pipeline-status" />
+      <ci-status :status="pipelineStatus" class="js-linked-pipeline-status" />
 
       <span class="str-truncated align-bottom"> {{ projectName }} &#8226; #{{ pipeline.id }} </span>
     </gl-button>

ee/app/assets/javascripts/pipelines/components/graph/linked_pipelines_column.vue

@@ -37,7 +37,7 @@ export default {
         :key="pipeline.id"
         :class="{
           'flat-connector-before': index === 0 && graphPosition === 'right',
-          active: pipeline.isExpanded || pipeline.isLoading,
+          active: pipeline.isExpanded,
           'left-connector': pipeline.isExpanded && graphPosition === 'left',
         }"
         :pipeline-id="pipeline.id"

ee/spec/javascripts/pipelines/graph/linked_pipeline_spec.js

@@ -13,31 +13,12 @@ describe('Linked pipeline', () => {
     vm.$destroy();
   });
 
-  describe('while is loading', () => {
+  describe('rendered output', () => {
     const props = {
       pipelineId: mockPipeline.id,
       pipelinePath: mockPipeline.path,
       pipelineStatus: mockPipeline.details.status,
       projectName: mockPipeline.project.name,
-      isLoading: true,
-    };
-
-    beforeEach(() => {
-      vm = mountComponent(Component, props);
-    });
-
-    it('renders loading icon', () => {
-      expect(vm.$el.querySelector('.js-linked-pipeline-loading')).not.toBeNull();
-    });
-  });
-
-  describe('when it is not loading', () => {
-    const props = {
-      pipelineId: mockPipeline.id,
-      pipelinePath: mockPipeline.path,
-      pipelineStatus: mockPipeline.details.status,
-      projectName: mockPipeline.project.name,
-      isLoading: false,
     };
 
     beforeEach(() => {