[committed] doc: Remove HSAIL from Language Standards

[Gerald Pfeifer <gerald@pfeifer.com>]

Pushed.  

There's quite a number of further references in gcc/doc; is anyone
planning on continuing the deprecation and removing the actual bits?

Gerald


commit 7e999bd84f47205dc44b0f2dc90b53b3c888ca48
Author: Gerald Pfeifer <gerald@pfeifer.com>
Date:   Mon Dec 28 21:41:55 2020 +0100

    doc: Remove HSAIL from Language Standards
    
    Support for HSAIL has been deprecated with GCC 10 and their web server
    has been down for weeks.
    
    gcc/
    2020-12-28  Gerald Pfeifer  <gerald@pfeifer.com>
    
            * doc/standards.texi (HSAIL): Remove section.

diff --git a/gcc/doc/standards.texi b/gcc/doc/standards.texi
index fc5016028dd..974f9b7e46d 100644
--- a/gcc/doc/standards.texi
+++ b/gcc/doc/standards.texi
@@ -312,14 +312,6 @@ available online, see @uref{http://gcc.gnu.org/readings.html}
 As of the GCC 4.7.1 release, GCC supports the Go 1 language standard,
 described at @uref{https://golang.org/doc/go1}.
 
-@section HSA Intermediate Language (HSAIL)
-
-GCC can compile the binary representation (BRIG) of the HSAIL text format as
-described in HSA Programmer's Reference Manual version 1.0.1. This
-capability is typically utilized to implement the HSA runtime API's HSAIL 
-finalization extension for a gcc supported processor. HSA standards are
-freely available at @uref{http://www.hsafoundation.com/standards/}.
-
 @section D language
 
 GCC supports the D 2.0 programming language.  The D language itself is