remove duplicate comment from gherkin.rake

Author: jneen

lib/rouge/lexers/gherkin/keywords.rb

@@ -4,7 +4,6 @@
 # DO NOT EDIT
 # This file is automatically generated by `rake builtins:gherkin`.
 # See tasks/builtins/gherkin.rake for more info.
-# See tasks/builtins/gherkin.rake for more info.
 
 module Rouge
   module Lexers

tasks/builtins/gherkin.rake

@@ -57,7 +57,6 @@ class GherkinBuiltins < BuiltinsGenerator
     yield   "# DO NOT EDIT"
     yield   "# This file is automatically generated by `rake builtins:gherkin`."
     yield   "# See tasks/builtins/gherkin.rake for more info."
-    yield   "# See tasks/builtins/gherkin.rake for more info."
     yield   ""
     yield   "module Rouge"
     yield   "  module Lexers"