Remove mutant git source

mbj · mbj · commit 92dba8f6310b · 2016-01-25T00:08:50.000Z
* There is a mutant release now allowing parser-2.3.
diff --git a/Gemfile b/Gemfile
@@ -1,5 +1,3 @@
 source 'https://rubygems.org'
 
 gemspec
-
-gem 'mutant', git: 'https://github.com/mbj/mutant.git', branch: 'feature/parser-2-3'

-Original file line number
+Diff line change
@@ @@ -1,5 +1,3 @@ @@
 source 'https://rubygems.org'
 gemspec
+-
 -gem 'mutant', git: 'https://github.com/mbj/mutant.git', branch: 'feature/parser-2-3'