chore(readme): remove Greenkeeper badge (#56)

greenkeeper[bot] · web-flow · commit 0743d8235ca6 · 2020-05-23T15:23:59.000+02:00
Co-authored-by: greenkeeper[bot] &lt;23040076+greenkeeper[bot]@users.noreply.github.com&gt;
diff --git a/README.md b/README.md
@@ -1,4 +1,4 @@
-# Outdatedlog [![Build Status](https://travis-ci.org/Alexandre-io/outdatedlog.svg)](https://travis-ci.org/Alexandre-io/outdatedlog) [![Codacy Badge](https://api.codacy.com/project/badge/grade/22d97fc78fb44dffbf62b94da1e6311a)](https://www.codacy.com/app/alexandre_2/outdatedlog) [![Greenkeeper badge](https://badges.greenkeeper.io/Alexandre-io/outdatedlog.svg)](https://greenkeeper.io/)
+# Outdatedlog [![Build Status](https://travis-ci.org/Alexandre-io/outdatedlog.svg)](https://travis-ci.org/Alexandre-io/outdatedlog) [![Codacy Badge](https://api.codacy.com/project/badge/grade/22d97fc78fb44dffbf62b94da1e6311a)](https://www.codacy.com/app/alexandre_2/outdatedlog) 
 
 This command will check the registry to see if any (or, specific) installed packages are currently outdated and print the changelog.
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-# Outdatedlog [![Build Status](https://travis-ci.org/Alexandre-io/outdatedlog.svg)](https://travis-ci.org/Alexandre-io/outdatedlog) [![Codacy Badge](https://api.codacy.com/project/badge/grade/22d97fc78fb44dffbf62b94da1e6311a)](https://www.codacy.com/app/alexandre_2/outdatedlog) [![Greenkeeper badge](https://badges.greenkeeper.io/Alexandre-io/outdatedlog.svg)](https://greenkeeper.io/)`
	`1`	`+# Outdatedlog [![Build Status](https://travis-ci.org/Alexandre-io/outdatedlog.svg)](https://travis-ci.org/Alexandre-io/outdatedlog) [![Codacy Badge](https://api.codacy.com/project/badge/grade/22d97fc78fb44dffbf62b94da1e6311a)](https://www.codacy.com/app/alexandre_2/outdatedlog)`
`2`	`2`
`3`	`3`	`This command will check the registry to see if any (or, specific) installed packages are currently outdated and print the changelog.`
`4`	`4`