docs: Correct release of TCG trace-events removal

TCG trace-events were deprecated before the v6.2 release,
and removed for v7.0.

Signed-off-by: Philippe Mathieu-Daudé <[email protected]>
Reviewed-by: Alex Bennée <[email protected]>
Reviewed-by: Michael Tokarev <[email protected]>
Signed-off-by: Michael Tokarev <[email protected]>

Author: philmd

docs/about/removed-features.rst

@@ -1087,8 +1087,8 @@ processor IP (see `Intel discontinuance notification`_).
 TCG introspection features
 --------------------------
 
-TCG trace-events (since 6.2)
-''''''''''''''''''''''''''''
+TCG trace-events (removed in 7.0)
+'''''''''''''''''''''''''''''''''
 
 The ability to add new TCG trace points had bit rotted and as the
 feature can be replicated with TCG plugins it was removed. If