Merge pull request #4220 from trufflesuite/remove-spectrum

Remove Spectrum and TravisCI badges from README

README.md

@@ -3,8 +3,6 @@
 [![npm](https://img.shields.io/npm/v/truffle.svg)](https://www.npmjs.com/package/truffle)
 [![npm](https://img.shields.io/npm/dm/truffle.svg)](https://www.npmjs.com/package/truffle)
 [![Join the chat at https://gitter.im/consensys/truffle](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/consensys/truffle?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
-[![Join the community on Spectrum](https://withspectrum.github.io/badge/badge.svg)](https://spectrum.chat/trufflesuite/truffle)
-[![Build Status](https://travis-ci.org/trufflesuite/truffle.svg)](https://travis-ci.org/trufflesuite/truffle)
 [![Coverage Status](https://coveralls.io/repos/github/trufflesuite/truffle/badge.svg)](https://coveralls.io/github/trufflesuite/truffle)
 
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