doc: Remove -mcet

-mcet was removed by

commit 231baae28ef7ff784683fa5a80df119da2b9a99b
Author: H.J. Lu <hongjiu.lu@intel.com>
Date:   Tue Apr 24 16:56:04 2018 +0000

    x86/CET: Remove the -mcet command-lint option

	PR target/98162
	* doc/extend.texi: Remove -mcet.

diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index 93529aa..fd282aa 100644 (file)
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -24210,7 +24210,7 @@ void __builtin_ia32_wrpkru (unsigned int)
 unsigned int __builtin_ia32_rdpkru ()
 @end smallexample
 
-The following built-in functions are available when @option{-mcet} or
+The following built-in functions are available when
 @option{-mshstk} option is used.  They support shadow stack
 machine instructions from Intel Control-flow Enforcement Technology (CET).
 Each built-in function generates the  machine instruction that is part