Remove duplicated code
Patches for improving the C parsing of attributes[1] introduced a lot redundant code in the C parser. This patch series resolves this by adding a rule for optional end attributes and merging the redundant code together.
[1] [PATCH v2 00/25] cocci: Improve C parsing of attributes https://lore.kernel.org/cocci/20200528122428.4212-1-jaskaransingh7654321@gmail.com/