doc: remove @opindex for fconcepts-ts

We're getting complaints from the CI system about this removed option.
I suspect I should have removed the @opindex and @itemx for it.  This
patch does that.

gcc/ChangeLog:

	* doc/invoke.texi: Remove @opindex and @itemx for -fconcepts-ts.

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 4850c7379bfaed6087f5f123b10e74d47e945e8a..d10796cabd69f6b216833b4cf42e3a518e252cd6 100644 (file)
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -3217,16 +3217,14 @@ exhaustion is signalled by throwing @code{std::bad_alloc}.  See also
 @samp{new (nothrow)}.
 
 @opindex fconcepts
-@opindex fconcepts-ts
 @item -fconcepts
-@itemx -fconcepts-ts
 Enable support for the C++ Concepts feature for constraining template
 arguments.  With @option{-std=c++20} and above, Concepts are part of
 the language standard, so @option{-fconcepts} defaults to on.
 
 Some constructs that were allowed by the earlier C++ Extensions for
 Concepts Technical Specification, ISO 19217 (2015), but didn't make it
-into the standard, can additionally be enabled by
+into the standard, could additionally be enabled by
 @option{-fconcepts-ts}.  The option @option{-fconcepts-ts} was deprecated
 in GCC 14 and removed in GCC 15; users are expected to convert their code
 to C++20 concepts.