Remove toolbar spec

spec/javascripts/vue_shared/components/markdown/toolbar_spec.js

-import Vue from 'vue';
-import toolbar from '~/vue_shared/components/markdown/toolbar.vue';
-import mountComponent from 'spec/helpers/vue_mount_component_helper';
-
-describe('toolbar', () => {
-  let vm;
-  const Toolbar = Vue.extend(toolbar);
-  const props = {
-    markdownDocsPath: '',
-  };
-
-  afterEach(() => {
-    vm.$destroy();
-  });
-
-  describe('user can attach file', () => {
-    beforeEach(() => {
-      vm = mountComponent(Toolbar, props);
-    });
-
-    it('should render uploading-container', () => {
-      expect(vm.$el.querySelector('.uploading-container')).not.toBeNull();
-    });
-  });
-
-  describe('user cannot attach file', () => {
-    beforeEach(() => {
-      vm = mountComponent(Toolbar, Object.assign({}, props, {
-        canAttachFile: false,
-      }));
-    });
-
-    it('should not render uploading-container', () => {
-      expect(vm.$el.querySelector('.uploading-container')).toBeNull();
-    });
-  });
-});