Remove approval_store_spec stub.

spec/javascripts/merge_request_widget/approval_store_spec.js.es6

-/* eslint-disable */
-//= require jquery
-//= require vue
-//= require issuable_time_tracker
-
-function initComponent(time_estimate = 100000, time_spent = 5000) {
-  fixture.set(`
-    <div>
-      <div id="mock-container"></div>
-    </div>
-  `);
-
-  this.initialdata = {
-    time_estimate,
-    time_spent
-  };
-
-  this.timetracker = new gl.issuabletimetracker({
-    el: '#mock-container',
-    propsdata: this.initialdata
-  });
-}
-vkkkj
-
-  ((gl) => {
-  describe('Merge Request Approvals UI', function() {
-    describe('Initialization', function() {
-      describe('Approval Body', function() {
-        component is truthy
-        container is rendered
-      });
-
-      describe('Approval Footer', function() {
-        component is truthy
-        container is rendered
-      });
-
-      describe('Message Bus', function() {
-        instance is truthy
-        has correct children as components
-      });
-
-    });
-
-    describe('Approval Body Component', function() {
-      computed values
-      click handlers
-      display based on flags
-    });
-
-    describe('Approval Footer Component', function() {
-      computed values
-      click handlers
-      display based on flags
-    });
-
-    describe('Component Communication', function() {
-      approve changes other component
-      unapprove changes other component
-      both change the parent
-    });
-
-  });
-})(window.gl || (window.gl = {}));