[gcc r17-3186] install: Remove reference to OpenPKG

https://gcc.gnu.org/g:7bb64f43d406b74205a59a854bd6016c89f1a4e8

commit r17-3186-g7bb64f43d406b74205a59a854bd6016c89f1a4e8
Author: Gerald Pfeifer <[email protected]>
Date:   Mon Aug 10 13:43:56 2026 +0200

    install: Remove reference to OpenPKG
    
    Their website has been using an expired certificate for weeks and
    last package updates date back seven months.
    
    gcc:
            PR target/69374
            * doc/install.texi (Binaries): Remove reference to OpenPKG.

Diff:
---
 gcc/doc/install.texi | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index dd06985a5065..2fc7c6540056 100644
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -3915,10 +3915,6 @@ The @uref{https://sourceware.org/cygwin/,,Cygwin} project;
 the @uref{https://www.mingw-w64.org/,,mingw-w64} project.
 @end itemize
 
-@item
-@uref{http://www.openpkg.org/,,OpenPKG} offers binaries for quite a
-number of platforms.
-
 @item
 The @uref{https://gcc.gnu.org/wiki/GFortranBinaries,,GFortran Wiki} has
 links to GNU Fortran binaries for several platforms.