Update aio.yaml to remove struct field entries

Author: StarOne01

libc/utils/docgen/aio.yaml

@@ -17,30 +17,16 @@ macros:
     in-latest-posix: ''
 
 functions:
-  aio_buf:
-    in-latest-posix: ''
   aio_cancel:
     in-latest-posix: ''
   aio_error:
     in-latest-posix: ''
-  aio_fildes:
-    in-latest-posix: ''
   aio_fsync:
     in-latest-posix: ''
-  aio_lio_opcode:
-    in-latest-posix: ''
-  aio_nbytes:
-    in-latest-posix: ''
-  aio_offset:
-    in-latest-posix: ''
   aio_read:
     in-latest-posix: ''
-  aio_reqprio:
-    in-latest-posix: ''
   aio_return:
     in-latest-posix: ''
-  aio_sigevent:
-    in-latest-posix: ''
   aio_suspend:
     in-latest-posix: ''
   aio_write: