Remove unneeded return keyword from last line in Ruby functions

build_config/helpers/wine_runner.rb

@@ -35,7 +35,7 @@ def clean(output, stderr = false)
 
   result_text = results.join("\n")
   result_text += "\n" if ends_with_newline
-  return result_text
+  result_text
 end
 
 

test/bintest.rb

@@ -19,11 +19,11 @@ def cmd_list(s)
 end
 
 def cmd(s)
-  return cmd_list(s).join(' ')
+  cmd_list(s).join(' ')
 end
 
 def cmd_bin(s)
-  return cmd_list(s).pop
+  cmd_list(s).pop
 end
 
 def shellquote(s)