This removes grunt and grunt dependencies. There are no longer any

tasks used in development and builds.

Closes elastic#85341

package.json

@@ -79,7 +79,6 @@
     "**/hoist-non-react-statics": "^3.3.2",
     "**/isomorphic-fetch/node-fetch": "^2.6.1",
     "**/istanbul-instrumenter-loader/schema-utils": "1.0.0",
-    "**/load-grunt-config/lodash": "^4.17.21",
     "**/minimist": "^1.2.5",
     "**/node-jose/node-forge": "^0.10.0",
     "**/pdfkit/crypto-js": "4.0.0",
@@ -737,9 +736,6 @@
     "form-data": "^4.0.0",
     "geckodriver": "^1.22.2",
     "glob-watcher": "5.0.3",
-    "grunt": "1.3.0",
-    "grunt-available-tasks": "^0.6.3",
-    "grunt-peg": "^2.0.1",
     "gulp": "4.0.2",
     "gulp-babel": "^8.0.0",
     "gulp-sourcemaps": "2.6.5",
@@ -773,7 +769,6 @@
     "license-checker": "^16.0.0",
     "listr": "^0.14.1",
     "lmdb-store": "^1.2.4",
-    "load-grunt-config": "^3.0.1",
     "marge": "^1.0.1",
     "micromatch": "3.1.10",
     "minimist": "^1.2.5",

packages/README.md

@@ -51,7 +51,7 @@ A package should follow the pattern of having `.test.js` files as siblings of th
 
 A package using the `.test.js` naming convention will have those tests automatically picked up by Jest and run by the unit test runner, currently mapped to the Kibana `test` script in the root `package.json`.
 
-* `yarn test` or `yarn grunt test` runs all unit tests.
+* `yarn test` runs all unit tests.
 * `yarn jest` runs all Jest tests in Kibana.
 
 In order for the plugin or package to use Jest, a jest.config.js file must be present in it's root. However, there are safeguards for this in CI should a test file be added without a corresponding config file.