chore: move opencollective to dev deps (#916)

Author: theKashey

package.json

@@ -74,6 +74,7 @@
     "husky": "^0.14.3",
     "jest": "^22.3.0",
     "lint-staged": "^6.1.1",
+    "opencollective": "^1.0.3",
     "prettier": "^1.10.2",
     "react": "^16.2.0",
     "react-dom": "^16.2.0",
@@ -97,7 +98,6 @@
     "fast-levenshtein": "^2.0.6",
     "global": "^4.3.0",
     "hoist-non-react-statics": "^2.5.0",
-    "opencollective": "^1.0.3",
     "prop-types": "^15.6.0",
     "shallowequal": "^1.0.2"
   },
@@ -120,4 +120,4 @@
     "type": "opencollective",
     "url": "https://opencollective.com/react-hot-loader"
   }
-}
+}