minor #24613 Remove redundant sprintf argument. (Aliance)

This PR was merged into the 2.7 branch.

Discussion
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Remove redundant sprintf argument.

| Q             | A
| ------------- | ---
| Branch?       | 2.7
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #22820
| License       | MIT
| Doc PR        | –

cc @fabpot @ogizanagi

Commits
-------

c8012f0448 Remove redundant sprintf arguments.

Author: Tobion

Templating/Helper/CodeHelper.php

@@ -60,9 +60,9 @@ public function abbrMethod($method)
             list($class, $method) = explode('::', $method, 2);
             $result = sprintf('%s::%s()', $this->abbrClass($class), $method);
         } elseif ('Closure' === $method) {
-            $result = sprintf('<abbr title="%s">%s</abbr>', $method, $method);
+            $result = sprintf('<abbr title="%s">%1$s</abbr>', $method);
         } else {
-            $result = sprintf('<abbr title="%s">%s</abbr>()', $method, $method);
+            $result = sprintf('<abbr title="%s">%1$s</abbr>()', $method);
         }
 
         return $result;