remove unused browserlist property in package.json

Author: jooy2

package.json

@@ -70,17 +70,5 @@
   },
   "eslintConfig": {
     "extends": "react-app"
-  },
-  "browserslist": {
-    "production": [
-      ">0.2%",
-      "not dead",
-      "not op_mini all"
-    ],
-    "development": [
-      "last 1 chrome version",
-      "last 1 firefox version",
-      "last 1 safari version"
-    ]
   }
 }