remove duplicate dependencies

package.json

@@ -37,20 +37,6 @@
   "author": "Metafizzy",
   "private": true,
   "license": "UNLICENSED",
-  "dependencies": {
-    "cheerio": "^1.0.0-rc.10",
-    "glob": "^7.1.3",
-    "gulp": "^4.0.2",
-    "gulp-concat": "^2.6.1",
-    "gulp-filter": "^5.1.0",
-    "gulp-front-matter": "^1.2.3",
-    "gulp-hb": "^8.0.0",
-    "gulp-rename": "^1.4.0",
-    "gulp-uglify": "^3.0.2",
-    "highlight.js": "^10.4.1",
-    "jshint": "^2.13.6",
-    "transfob": "^1.0.0"
-  },
   "repository": {
     "type": "git",
     "url": "git://github.com/metafizzy/flickity-docs.git"