git: 6183910d61 - main - developers-handbook: Remove some refs to long-past-EOL versions

The branch main has been updated by emaste:

URL: https://cgit.FreeBSD.org/doc/commit/?id=6183910d617e179c8e39d82125e3f63fab2b99a8

commit 6183910d617e179c8e39d82125e3f63fab2b99a8
Author:     Ed Maste <emaste@FreeBSD.org>
AuthorDate: 2024-12-09 13:26:52 +0000
Commit:     Ed Maste <emaste@FreeBSD.org>
CommitDate: 2026-05-07 14:19:51 +0000

    developers-handbook: Remove some refs to long-past-EOL versions
    
    Reviewed by:    markj
    Sponsored by:   The FreeBSD Foundation
    Differential Revision: https://reviews.freebsd.org/D56868
---
 .../content/en/books/developers-handbook/kerneldebug/_index.adoc  | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/documentation/content/en/books/developers-handbook/kerneldebug/_index.adoc b/documentation/content/en/books/developers-handbook/kerneldebug/_index.adoc
index 006ae4178a..407042d805 100644
--- a/documentation/content/en/books/developers-handbook/kerneldebug/_index.adoc
+++ b/documentation/content/en/books/developers-handbook/kerneldebug/_index.adoc
@@ -77,12 +77,12 @@ Full memory dumps::
 Hold the complete contents of physical memory.
 
 Minidumps::
-Hold only memory pages in use by the kernel (FreeBSD 6.2 and higher).
+Hold only memory pages in use by the kernel.
 
 Textdumps::
-Hold captured, scripted, or interactive debugger output (FreeBSD 7.1 and higher).
+Hold captured, scripted, or interactive debugger output.
 
-Minidumps are the default dump type as of FreeBSD 7.0, and in most cases will capture all necessary information present in a full memory dump, as most problems can be isolated only using kernel state.
+Minidumps are the default dump type, and in most cases will capture all necessary information present in a full memory dump, as most problems can be isolated only using kernel state.
 
 [[config-dumpdev]]
 === Configuring the Dump Device
@@ -172,7 +172,6 @@ After rebooting, your system should save a dump in [.filename]#/var/crash# along
 ====
 This section covers man:kgdb[1].
 The latest version is included in the package:devel/gdb[].
-An older version is also present in FreeBSD 11 and earlier.
 ====
 
 To enter into the debugger and begin getting information from the dump, start kgdb:
@@ -551,7 +550,6 @@ Remember that it is hard to read the on-line manual while single-stepping the ke
 == On-Line Kernel Debugging Using Remote GDB
 
 The FreeBSD kernel provides a second KDB backend for on-line debugging: man:gdb[4].
-This feature has been supported since FreeBSD 2.2, and it is actually a very neat one.
 
 GDB has supported _remote debugging_ for a long time.
 This is done using a very simple protocol along a serial line.