Remove breakpoints utils

- Removes deprecated breakpoint utils

app/assets/javascripts/breakpoints.js

-export const breakpoints = {
-  lg: 1200,
-  md: 992,
-  sm: 768,
-  xs: 0,
-};
-
-const BreakpointInstance = {
-  windowWidth: () => window.innerWidth,
-  getBreakpointSize() {
-    const windowWidth = this.windowWidth();
-
-    const breakpoint = Object.keys(breakpoints).find(key => windowWidth > breakpoints[key]);
-
-    return breakpoint;
-  },
-  isDesktop() {
-    return ['lg', 'md'].includes(this.getBreakpointSize());
-  },
-};
-
-export default BreakpointInstance;

spec/frontend/breakpoints_spec.js

-import bp, { breakpoints } from '~/breakpoints';
-
-describe('breakpoints', () => {
-  Object.keys(breakpoints).forEach(key => {
-    const size = breakpoints[key];
-
-    it(`returns ${key} when larger than ${size}`, () => {
-      jest.spyOn(bp, 'windowWidth').mockReturnValue(size + 10);
-
-      expect(bp.getBreakpointSize()).toBe(key);
-    });
-  });
-
-  describe('isDesktop', () => {
-    it('returns true when screen size is medium', () => {
-      jest.spyOn(bp, 'windowWidth').mockReturnValue(breakpoints.md + 10);
-
-      expect(bp.isDesktop()).toBe(true);
-    });
-
-    it('returns false when screen size is small', () => {
-      jest.spyOn(bp, 'windowWidth').mockReturnValue(breakpoints.sm + 10);
-
-      expect(bp.isDesktop()).toBe(false);
-    });
-  });
-});

spec/javascripts/merge_request_tabs_spec.js

@@ -3,7 +3,6 @@ import MockAdapter from 'axios-mock-adapter';
 import axios from '~/lib/utils/axios_utils';
 import MergeRequestTabs from '~/merge_request_tabs';
 import '~/commit/pipelines/pipelines_bundle';
-import '~/breakpoints';
 import '~/lib/utils/common_utils';
 import 'vendor/jquery.scrollTo';
 import initMrPage from './helpers/init_vue_mr_page_helper';