remove dependency @pika/plugin-standard-pkg

Author: phryneas

package.json

@@ -48,7 +48,6 @@
     "@pika/plugin-build-types": "0.7.1",
     "@pika/plugin-build-web": "0.7.1",
     "@pika/plugin-bundle-types": "0.7.1",
-    "@pika/plugin-standard-pkg": "0.7.1",
     "@pika/plugin-ts-standard-pkg": "0.7.1",
     "@storybook/react": "5.2.5",
     "@testing-library/jest-dom": "4.2.0",