Revert "Update development tools"

This reverts commit 8662936.

Author: ai

.size-limit.json

@@ -1,6 +1,6 @@
 [
   {
     "path": "index.js",
-    "limit": "1008 B"
+    "limit": "1009 B"
   }
 ]

package.json

@@ -25,23 +25,22 @@
     "./lib/util/cluster-worker-id.js": "./lib/util/cluster-worker-id-browser.js"
   },
   "devDependencies": {
-    "@size-limit/preset-small-lib": "^4.6.2",
+    "@size-limit/preset-small-lib": "^2.1.3",
     "chai": "^4.2.0",
-    "clean-publish": "^1.1.8",
+    "clean-publish": "^1.1.2",
     "envify": "^4.1.0",
-    "grunt": "^1.3.0",
+    "grunt": "^1.0.3",
     "grunt-browserify": "^5.3.0",
     "grunt-cli": "^1.3.2",
     "grunt-contrib-concat": "^1.0.1",
     "grunt-contrib-jshint": "^1.1.0",
     "grunt-contrib-uglify": "^3.4.0",
     "grunt-mocha-test": "^0.13.3",
     "grunt-notify": "^0.4.1",
-    "grunt-open": "^0.2.4",
+    "grunt-open": "^0.2.3",
     "grunt-release": "^0.14.0",
     "load-grunt-tasks": "^4.0.0",
     "mocha": "^5.2.0",
-    "size-limit": "^4.6.2",
     "time-grunt": "^1.2.1"
   },
   "license": "MIT",