Update links

.travis.yml

@@ -1,8 +0,0 @@
-language: node_js
-
-node_js:
-  - "10"
-
-script:
-  - npm install
-  - npm test

README.md

@@ -12,8 +12,6 @@
 
 [![License](http://img.shields.io/badge/license-MIT-blue.svg)](https://raw.githubusercontent.com/miguelmota/merkletreejs/master/LICENSE)
 [![Documentation](https://img.shields.io/badge/documentation-latest-blue.svg)](https://github.com/miguelmota/merkletreejs/tree/master/docs)
-[![Build Status](https://travis-ci.org/miguelmota/merkletreejs.svg?branch=master)](https://travis-ci.org/miguelmota/merkletreejs)
-[![dependencies Status](https://david-dm.org/miguelmota/merkletreejs/status.svg)](https://david-dm.org/miguelmota/merkletreejs)
 [![NPM version](https://badge.fury.io/js/merkletreejs.svg)](http://badge.fury.io/js/merkletreejs)
 [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](#contributing)