Remove travis

Author: palfrey

.travis.yml

@@ -2,7 +2,7 @@
 
 Counting bytes really fast
 
-[![Build Status](https://travis-ci.org/llogiq/bytecount.svg?branch=master)](https://travis-ci.org/llogiq/bytecount)
+[![Continuous integration](https://github.com/llogiq/bytecount/actions/workflows/ci.yml/badge.svg)](https://github.com/llogiq/bytecount/actions/workflows/ci.yml)
 [![Windows build status](https://ci.appveyor.com/api/projects/status/github/llogiq/bytecount?svg=true)](https://ci.appveyor.com/project/llogiq/bytecount)
 [![Current Version](https://img.shields.io/crates/v/bytecount.svg)](https://crates.io/crates/bytecount)
 [![License: Apache 2.0/MIT](https://img.shields.io/crates/l/bytecount.svg)](#license)