Gemfile in pageflow-chart-1.1.0 vs Gemfile in pageflow-chart-1.2.0

@@ -2,7 +2,5 @@
 
 # Specify your gem's dependencies in chart.gemspec
 gemspec
 
 gem 'state_machine', git: 'https://github.com/codevise/state_machine.git'
-
-gem 'pageflow', git: 'https://github.com/codevise/pageflow'