[Minor] Remove superflous "string.format()"

diff --git a/rules/regexp/headers.lua b/rules/regexp/headers.lua
index 7397ed84bb7a06718fec257f4fcf98fe4c28b055..dc339b0adb94b4cd0d385c2b4ab5736695af219d 100644 (file)
--- a/rules/regexp/headers.lua
+++ b/rules/regexp/headers.lua
@@ -904,7 +904,7 @@ reconf['HAS_ORG_HEADER'] = {
 }
 
 reconf['HAS_CD_HEADER'] = {
-  re = string.format('header_exists(Content-Description)'),
+  re = 'header_exists(Content-Description)',
   description = 'Has Content-Description header',
   score = 0.0,
   group = 'headers'