Fix some broken spec expectations and move/rename a method

lib/homesick/actions.rb

@@ -16,17 +16,6 @@ class Homesick
         say_status 'git clone', "#{repo} to #{destination.expand_path}", :green unless options[:quiet]
         system "git clone -q --config push.default=upstream --recursive #{repo} #{destination}" unless options[:pretend]
       end
-
-      git_setup_submodules destination
-    end
-
-    def git_setup_submodules(path)
-      if path.join('.gitmodules').exist?
-        inside path do
-          git_submodule_init
-          git_submodule_update
-        end
-      end
     end
 
     def git_init(path = '.')