Remove "work in progress" message on README

Author: ruralocity

README.md

@@ -1,8 +1,8 @@
 # *Everyday Rails Testing with RSpec* sample application (2017 edition)
 
-**Still a work in progress:** Refer to the [Everyday Rails] blog for news on
-this edition of the book. You can find sample source for earlier editions in
-the [everydayrails organization] on GitHub. Thanks!
+Refer to the [Everyday Rails] blog for news on this edition of the book. You
+can find sample source for earlier editions in the [everydayrails
+organization] on GitHub. Thanks!
 
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