minor #4387 Inline condition removed for easier reading (acidjames)

This PR was submitted for the 2.5 branch but it was merged into the 2.3 branch instead (closes #4387).

Discussion
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Inline condition removed for easier reading

Previous inline condition would cause confusion or trigger notifications in IDE (Netbeans,...)

Commits
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b98f5e8 Inline condition removed for easier reading

Author: wouterj

cookbook/doctrine/file_uploads.rst

@@ -404,7 +404,8 @@ Next, refactor the ``Document`` class to take advantage of these callbacks::
          */
         public function removeUpload()
         {
-            if ($file = $this->getAbsolutePath()) {
+            $file = $this->getAbsolutePath();
+            if ($file) {
                 unlink($file);
             }
         }