Use standard (eslint's) 'env' field over globals

Test Plan: ensure every removed global is a part of an added `env` from https://github.com/sindresorhus/globals/blob/master/globals.json

run `./script/lint`

package.json

@@ -174,27 +174,14 @@
     "test": "node script/test"
   },
   "standard": {
+    "env": {
+      "atomtest": true,
+      "browser": true,
+      "jasmine": true,
+      "node": true
+    },
     "globals": [
       "atom",
-      "afterEach",
-      "beforeEach",
-      "describe",
-      "fdescribe",
-      "xdescribe",
-      "expect",
-      "it",
-      "fit",
-      "xit",
-      "jasmine",
-      "runs",
-      "spyOn",
-      "waitsFor",
-      "waitsForPromise",
-      "indexedDB",
-      "IntersectionObserver",
-      "FocusEvent",
-      "requestAnimationFrame",
-      "HTMLElement",
       "snapshotResult"
     ]
   }