readme: fix CI badge

README.md

@@ -7,7 +7,7 @@
 [![](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)
 [![GoDoc](https://godoc.org/github.com/ipfs/go-ipfs?status.svg)](https://godoc.org/github.com/ipfs/go-ipfs)
-[![Build Status](https://travis-ci.com/ipfs/go-ipfs.svg?branch=master)](https://travis-ci.com/ipfs/go-ipfs)
+[![Build Status](https://circleci.com/gh/ipfs/go-ipfs.svg?style=svg)](https://circleci.com/gh/ipfs/go-ipfs)
 
 ## What is IPFS?
 

go.mod

@@ -111,7 +111,6 @@ require (
 	go4.org v0.0.0-20190313082347-94abd6928b1d // indirect
 	golang.org/x/sync v0.0.0-20190423024810-112230192c58 // indirect
 	golang.org/x/sys v0.0.0-20190626221950-04f50cda93cb
-	google.golang.org/appengine v1.4.0 // indirect
 	gopkg.in/cheggaaa/pb.v1 v1.0.28
 	gotest.tools/gotestsum v0.3.4
 )

go.sum

@@ -239,8 +239,6 @@ github.com/ipfs/go-ds-leveldb v0.0.2 h1:P5HB59Zblym0B5XYOeEyw3YtPtbpIqQCavCSWaWE
 github.com/ipfs/go-ds-leveldb v0.0.2/go.mod h1:CWFeBh5IAAscWyG/QRH+lJaAlnLWjsfPSNs4teyPUp0=
 github.com/ipfs/go-ds-measure v0.0.1 h1:PrCueug+yZLkDCOthZTXKinuoCal/GvlAT7cNxzr03g=
 github.com/ipfs/go-ds-measure v0.0.1/go.mod h1:wiH6bepKsgyNKpz3nyb4erwhhIVpIxnZbsjN1QpVbbE=
-github.com/ipfs/go-filestore v0.0.1 h1:LJkPZvA31kAXV/FIOnkoOvD8UsDTdPC8WOb5VkgBDiU=
-github.com/ipfs/go-filestore v0.0.1/go.mod h1:rTVr5W+01wWKB5wuM0Rvy49vtBoAbw5+DBF2kochxVQ=
 github.com/ipfs/go-filestore v0.0.2 h1:pcYwpjtXXwirtbjBXKVJM9CTa9F7/8v1EkfnDaHTO3s=
 github.com/ipfs/go-filestore v0.0.2/go.mod h1:KnZ41qJsCt2OX2mxZS0xsK3Psr0/oB93HMMssLujjVc=
 github.com/ipfs/go-fs-lock v0.0.1 h1:XHX8uW4jQBYWHj59XXcjg7BHlHxV9ZOYs6Y43yb7/l0=
@@ -298,8 +296,6 @@ github.com/ipfs/go-merkledag v0.0.6 h1:rYZc0yzhO7y1cKi3Rw425a2HhEJDdLvNOWsqtmO3P
 github.com/ipfs/go-merkledag v0.0.6/go.mod h1:QYPdnlvkOg7GnQRofu9XZimC5ZW5Wi3bKys/4GQQfto=
 github.com/ipfs/go-merkledag v0.1.0 h1:CAEXjRFEDPvealQj3TgEjV1IJckwjvmxAqtq5QSXJrg=
 github.com/ipfs/go-merkledag v0.1.0/go.mod h1:SQiXrtSts3KGNmgOzMICy5c0POOpUNQLvB3ClKnBAlk=
-github.com/ipfs/go-merkledag v0.2.0 h1:EAjIQCgZ6/DnOAlKY3+59j72FD9BsYtNaCRSmN0xIbU=
-github.com/ipfs/go-merkledag v0.2.0/go.mod h1:SQiXrtSts3KGNmgOzMICy5c0POOpUNQLvB3ClKnBAlk=
 github.com/ipfs/go-metrics-interface v0.0.1 h1:j+cpbjYvu4R8zbleSs36gvB7jR+wsL2fGD6n0jO4kdg=
 github.com/ipfs/go-metrics-interface v0.0.1/go.mod h1:6s6euYU4zowdslK0GKHmqaIZ3j/b/tL7HTWtJ4VPgWY=
 github.com/ipfs/go-metrics-prometheus v0.0.2 h1:9i2iljLg12S78OhC6UAiXi176xvQGiZaGVF1CUVdE+s=