plugins should not depend on core-api

plugins/lighthouse/package.json

@@ -34,7 +34,6 @@
     "@backstage/catalog-model": "^0.6.0",
     "@backstage/config": "^0.1.2",
     "@backstage/core": "^0.4.3",
-    "@backstage/core-api": "^0.2.6",
     "@backstage/plugin-catalog": "^0.2.7",
     "@backstage/theme": "^0.2.2",
     "@material-ui/core": "^4.11.0",

plugins/lighthouse/src/hooks/useWebsiteForEntity.test.tsx

@@ -15,7 +15,7 @@
  */
 import React, { PropsWithChildren } from 'react';
 import { renderHook } from '@testing-library/react-hooks';
-import { ApiProvider, ApiRegistry, errorApiRef } from '@backstage/core-api';
+import { ApiProvider, ApiRegistry, errorApiRef } from '@backstage/core';
 import { lighthouseApiRef, WebsiteListResponse } from '../api';
 import { useWebsiteForEntity } from './useWebsiteForEntity';
 import { EntityContext } from '@backstage/plugin-catalog';

plugins/lighthouse/src/hooks/useWebsiteForEntity.ts

@@ -15,7 +15,7 @@
  */
 import { useEntity } from '@backstage/plugin-catalog';
 import { LIGHTHOUSE_WEBSITE_URL_ANNOTATION } from '../../constants';
-import { errorApiRef, useApi } from '@backstage/core-api';
+import { errorApiRef, useApi } from '@backstage/core';
 import { lighthouseApiRef } from '../api';
 import { useAsync } from 'react-use';