Remove unused docz-theme-default

Author: Aryan Jabbari

package.json

@@ -16,12 +16,11 @@
   "dependencies": {
     "axios": "^0.19.0",
     "docz": "^2.0.0",
-    "docz-theme-default": "^1.2.0",
-    "prop-types": "^15.7.2",
     "react-helmet": "^5.2.1"
   },
   "devDependencies": {
     "prettier": "^1.17.1",
+    "prop-types": "^15.7.2",
     "react": "^16.9.0",
     "react-dom": "^16.8.6",
     "rimraf": "^3.0.0",