[newlib-cygwin/main] Cygwin: gendef: Drop "this is only a stub" comments

https://sourceware.org/git/gitweb.cgi?p=3Dnewlib-cygwin.git;h=3D2047a73a7a5=
8133b870bc0d959bbd7eabc29b69b

commit 2047a73a7a58133b870bc0d959bbd7eabc29b69b
Author: Jon Turney <[email protected]>
Date:   Fri Jun 19 19:41:27 2026 +0100

    Cygwin: gendef: Drop "this is only a stub" comments
   =20
    I don't know why we didn't remove these when the actual implementation
    was added.
   =20
    Signed-off-by: Jon Turney <[email protected]>

Diff:
---
 winsup/cygwin/scripts/gendef | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/winsup/cygwin/scripts/gendef b/winsup/cygwin/scripts/gendef
index 7097da2e6..25698404b 100755
--- a/winsup/cygwin/scripts/gendef
+++ b/winsup/cygwin/scripts/gendef
@@ -110,7 +110,6 @@ $fe:
=20
 EOF
     }
-    # TODO: This is only a stub, it needs to be implemented properly for A=
Arch64.
     if ($is_aarch64) {
 	$res =3D <<EOF;
 	.extern $func
@@ -361,7 +360,6 @@ stabilize_sig_stack:
 	.seh_endproc
 EOF
 	}
-	# TODO: These are only stubs, they need to be implemented properly for AA=
rch64.
 	if ($is_aarch64) {
 	  $res =3D <<EOF . longjmp () . $res;
 	.include "tlsoffsets"
@@ -840,7 +838,6 @@ longjmp:
 EOF
     }
     if ($is_aarch64) {
-	# TODO: These are only stubs, they need to be implemented properly for AA=
rch64.
 	return <<EOF;
 	.globl	sigsetjmp
 	.seh_proc sigsetjmp