exports fix 5

Co-authored-by: Petr Viktorin <encukou@gmail.com>

Author: Yashp002

Doc/c-api/intro.rst

@@ -397,7 +397,6 @@ complete listing.
 
    Macro used to declare a symbol as imported.
    On Windows, this expands to ``__declspec(dllimport)``.
-   On other platforms, it is usually empty or standard visibility.
    This macro is for defining the C API itself; extension modules should not use it.