[gcc r15-89] doc: Remove old details on libunwind for ia64-*-hpux*

[gcc r15-89] doc: Remove old details on libunwind for ia64-*-hpux*

[Gerald Pfeifer]

https://gcc.gnu.org/g:81f7965e63028c1289ae3b1836750da74b01bc4a

commit r15-89-g81f7965e63028c1289ae3b1836750da74b01bc4a
Author: Gerald Pfeifer <gerald@pfeifer.com>
Date:   Wed May 1 11:18:19 2024 +0200

    doc: Remove old details on libunwind for ia64-*-hpux*
    
    gcc:
            PR target/69374
            * doc/install.texi (Specific) <ia64-*-hpux*>: Remove details
            on libunwind for GCC 3.4 and earlier.

Diff:
---
 gcc/doc/install.texi | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index b13c62ed2b7..4119304f66a 100644
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -4316,12 +4316,6 @@ Building GCC on this target requires the GNU Assembler.  The bundled HP
 assembler will not work.  To prevent GCC from using the wrong assembler,
 the option @option{--with-gnu-as} may be necessary.
 
-The GCC libunwind library has not been ported to HPUX@.  This means that for
-GCC versions 3.2.3 and earlier, @option{--enable-libunwind-exceptions}
-is required to build GCC@.  For GCC 3.3 and later, this is the default.
-For gcc 3.4.3 and later, @option{--enable-libunwind-exceptions} is
-removed and the system libunwind library will always be used.
-
 @html
 <hr />
 <!-- rs6000-ibm-aix*, powerpc-ibm-aix* -->