[binutils-gdb] gdb/target: remove async_callback_ftype

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=4509c6b9abd07dfa6b0f1a8cebc7dd13fcc5c5ee

commit 4509c6b9abd07dfa6b0f1a8cebc7dd13fcc5c5ee
Author: Simon Marchi <[email protected]>
Date:   Mon Mar 2 00:39:16 2026 -0500

    gdb/target: remove async_callback_ftype
    
    It is unused.
    
    Change-Id: I067dab91bac1707d2effa271d22c3a4bbf935a8f

Diff:
---
 gdb/target.h | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/gdb/target.h b/gdb/target.h
index 958674c1a98..a71f750a9d9 100644
--- a/gdb/target.h
+++ b/gdb/target.h
@@ -374,11 +374,6 @@ extern ULONGEST get_target_memory_unsigned (struct target_ops *ops,
 
 struct thread_info;		/* fwd decl for parameter list below: */
 
-/* The type of the callback to the to_async method.  */
-
-typedef void async_callback_ftype (enum inferior_event_type event_type,
-				   void *context);
-
 /* Normally target debug printing is purely type-based.  However,
    sometimes it is necessary to override the debug printing on a
    per-argument basis.  This macro can be used, attribute-style, to