build(travis): disable cache

remove prepush hook for faster testing

Author: michaelwittwer

.travis.yml

@@ -2,7 +2,7 @@ language: node_js
 node_js:
 - lts/*
 
-cache: npm
+#cache: npm
 #  directories:
 #  - $HOME/.npm
 #  - node_modules

package.json

@@ -34,7 +34,6 @@
     "commitmsg": "validate-commit-msg",
     "deploy-docs": "ts-node tools/gh-pages-publish",
     "lint": "npm run prettier && tslint --project tsconfig.json -t codeFrame --fix",
-    "prepush": "npm run test:prod && npm run build",
     "report-coverage": "cat ./coverage/lcov.info | coveralls",
     "semantic-release-prepare": "ts-node tools/semantic-release-prepare",
     "test": "jest",