Removed react-native as peerDependency

package.json

 {
   "name": "react-native-thumbnail",
-  "version": "1.1.2",
+  "version": "1.1.3",
   "description": "",
   "main": "index.js",
   "scripts": {
     "url": "git+https://github.com/phuochau/react-native-thumbnail.git"
   },
   "author": "Hau Vo <hau.vophuoc@gmail.com>",
-  "license": "MIT",
-  "peerDependencies": {
-    "react-native": "^0.47.0"
-  }
+  "license": "MIT"
 }