[3.13] Remove a duplicate word in the Makefile (GH-132301) (#132325)

Co-authored-by: Chu <tomzz233333@gmail.com>

diff --git a/Makefile.pre.in b/Makefile.pre.in
index d7a4e4b320a70b13ea0c44348b5fe0e5d1f2b27a..eb7ea288adf3d5a4cfceea1fe65b62a32f7d2336 100644 (file)
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -1762,7 +1762,7 @@ regen-pegen:
 
 .PHONY: regen-ast
 regen-ast:
-       # Regenerate 3 files using using Parser/asdl_c.py:
+       # Regenerate 3 files using Parser/asdl_c.py:
        # - Include/internal/pycore_ast.h
        # - Include/internal/pycore_ast_state.h
        # - Python/Python-ast.c