Revert "chore: update gitignore (#1527)" (#1530)

This reverts commit ad23f52.

Author: profnandaa

.gitignore

@@ -7,5 +7,3 @@ package-lock.json
 yarn.lock
 /es
 /lib
-validator.js
-validator.min.js

.travis.yml

@@ -12,5 +12,4 @@ notifications:
   email: false
 after_success:
   - npm install -g codecov
-  - npm run build
   - npm run test:ci > coverage.lcov && codecov