Remove unused scripts

Author: gaearon

package.json

@@ -22,10 +22,7 @@
     "build:umd:min": "cross-env NODE_ENV=production webpack src/index.js dist/redux.min.js",
     "build:examples": "babel-node examples/buildAll.js",
     "build": "npm run build:lib && npm run build:umd && npm run build:umd:min",
-    "preversion": "npm run clean && npm run check",
-    "version": "npm run build",
-    "postversion": "git push && git push --tags && npm run clean && npm run docs:publish",
-    "prepublish": "npm run clean && npm run build && node ./prepublish",
+    "prepublish": "npm run clean && npm run build && npm run check && node ./prepublish",
     "docs:clean": "rimraf _book",
     "docs:prepare": "gitbook install",
     "docs:build": "npm run docs:prepare && gitbook build -g rackt/redux",