README.md in textbringer-1.0.3 vs README.md in textbringer-1.0.4

- old
+ new
@@ -2,10 +2,9 @@
 
 [![Gem Version](https://badge.fury.io/rb/textbringer.svg)](https://badge.fury.io/rb/textbringer)
 [![ubuntu](https://github.com/shugo/textbringer/workflows/ubuntu/badge.svg)](https://github.com/shugo/textbringer/actions?query=workflow%3Aubuntu)
 [![windows](https://github.com/shugo/textbringer/workflows/windows/badge.svg)](https://github.com/shugo/textbringer/actions?query=workflow%3Awindows)
 [![macos](https://github.com/shugo/textbringer/workflows/macos/badge.svg)](https://github.com/shugo/textbringer/actions?query=workflow%3Amacos)
-[![ruby-head](https://github.com/shugo/textbringer/workflows/ruby-head/badge.svg)](https://github.com/shugo/textbringer/actions?query=workflow%3Aruby-head)
 [![codecov](https://codecov.io/gh/shugo/textbringer/branch/master/graph/badge.svg)](https://codecov.io/gh/shugo/textbringer)
 
 Textbringer is a member of a demon race that takes on the form of an Emacs-like
 text editor.
 