This reverts commit eb6649e0c2.

Previously, pointers were associated with the function identifier, now they're associated with the return type

* feat: allow identifiers in string concatenations

Resolves errors in strings of the form:

   ("failed in line %" PRIdLINENR)

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Co-authored-by: Lewis Russell <lewis6991@gmail.com>

* Add support for C23 attributes

https://en.cppreference.com/w/c/language/attributes

* Use wrapper for statements with attributes to reduce state machine size

* Missed a couple _declarators that needed attributes directly after

* Use annotated_declarator for declarators that have attributes immediately following them

* Give field and type declarators the same attribute treatment

* Handle __attribute__ in function declaration

* Fix tests in examples/

* Remove useless optional

Fixes tree-sitter/tree-sitter-cpp#30

Fixes tree-sitter/tree-sitter-cpp#29

Refs https://github.com/atom/atom/issues/18346#issuecomment-433734281

Fixes tree-sitter/tree-sitter-cpp#7

Also, rewrite the way declarators are handled to produce a clearer AST

Now there is never a need to mark a repeat rule as optional