Remove duplicate code

spec/models/gollum_wiki_spec.rb

@@ -2,12 +2,6 @@ require "spec_helper"
 describe GollumWiki do
-  def create_temp_repo(path)
-    FileUtils.mkdir_p path
-    command = "git init --quiet #{path};"
-    system(command)
-  end
-
   def remove_temp_repo(path)
     FileUtils.rm_rf path
   end

spec/models/wiki_page_spec.rb

@@ -2,12 +2,6 @@ require "spec_helper"
 describe WikiPage do
-  def create_temp_repo(path)
-    FileUtils.mkdir_p path
-    command = "git init --quiet #{path};"
-    system(command)
-  end
-
   def remove_temp_repo(path)
     FileUtils.rm_rf path
   end