chore: remove travis and appveyor

Author: daviddias

.travis.yml

@@ -4,7 +4,6 @@
 [![](https://img.shields.io/badge/project-IPFS-blue.svg?style=flat-square)](http://ipfs.io/)
 [![](https://img.shields.io/badge/freenode-%23ipfs-blue.svg?style=flat-square)](http://webchat.freenode.net/?channels=%23ipfs)
 [![standard-readme compliant](https://img.shields.io/badge/standard--readme-OK-green.svg?style=flat-square)](https://github.com/RichardLitt/standard-readme)
-[![Travis CI](https://travis-ci.org/ipfs/js-ipfs-block-service.svg?branch=master)](https://travis-ci.org/ipfs/js-ipfs-block-service)
 [![Circle CI](https://circleci.com/gh/ipfs/js-ipfs-block-service.svg?style=svg)](https://circleci.com/gh/ipfs/js-ipfs-block-service)
 [![Coverage Status](https://coveralls.io/repos/github/ipfs/js-ipfs-block-service/badge.svg?branch=master)](https://coveralls.io/github/ipfs/js-ipfs-block-service?branch=master)
 [![Dependency Status](https://david-dm.org/ipfs/js-ipfs-block-service.svg?style=flat-square)](https://david-dm.org/ipfs/js-ipfs-block-service)
@@ -17,9 +16,9 @@
 **BlockService** - A BlockService is a content-addressable store for blocks, providing an API for adding, deleting, and retrieving blocks. A BlockService is backed by an [IPFS Repo][repo] as its datastore for blocks, and uses [Bitswap][bitswap] to fetch blocks from the network.
 
 ```markdown
-┌────────────────────┐
-│     BlockService   │
-└────────────────────┘
+┌───────────────────┐
+│    BlockService   │
+└───────────────────┘
      ┌─────┴─────┐
      ▼           ▼
 ┌─────────┐ ┌───────┐