[gcc r14-1984] ada: Remove outdated comment

[Marc Poulhi?s <dkm@gcc.gnu.org>]

https://gcc.gnu.org/g:31edd39bc418ccb6b806767ff5cbefd98fb81fb5

commit r14-1984-g31edd39bc418ccb6b806767ff5cbefd98fb81fb5
Author: Ronan Desplanques <desplanques@adacore.com>
Date:   Fri Jun 9 14:31:00 2023 +0200

    ada: Remove outdated comment
    
    The Preelaborate pragma the removed comment was referring to was
    indeed present in AI 167, as well as in clause 5.3 of the rationale
    for Ada 2012, but it never made it into the 2012 version of the
    reference manual.
    
    gcc/ada/
    
            * libgnarl/s-mudido.ads: Remove outdated comment.

Diff:
---
 gcc/ada/libgnarl/s-mudido.ads | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/gcc/ada/libgnarl/s-mudido.ads b/gcc/ada/libgnarl/s-mudido.ads
index 06e48bd1b9c..cc97463077b 100644
--- a/gcc/ada/libgnarl/s-mudido.ads
+++ b/gcc/ada/libgnarl/s-mudido.ads
@@ -20,10 +20,6 @@ with Ada.Task_Identification;
 private with System.Tasking;
 
 package System.Multiprocessors.Dispatching_Domains is
-   --  pragma Preelaborate (Dispatching_Domains);
-   --  ??? According to AI 167 this unit should be preelaborate, but it cannot
-   --  be preelaborate because it depends on Ada.Real_Time which is not
-   --  preelaborate.
 
    Dispatching_Domain_Error : exception;