[clang-tools-extra] [clang-tidy] remove type annotations that require python3.9 in add_new_check.py (PR #107850)

[Nicolas van Kempen via cfe-commits]

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@@ -526,7 +526,7 @@ def process_doc(doc_file: Tuple[str, str]) -> Tuple[str, Optional[re.Match[str]]
             # Is it a redirect?
             return check_name, match
 
-    def format_link(doc_file: Tuple[str, str]) -> str:
+    def format_link(doc_file) -> str:
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nicovank wrote:

I believe this can stay.

https://github.com/llvm/llvm-project/pull/107850