docs: kernel-parameters.txt: Remove nompx

x86/mpx was removed in commit 45fc24e
("x86/mpx: remove MPX from arch/x86"), this removes the documentation of
parameter nompx.

Fixes: 45fc24e ("x86/mpx: remove MPX from arch/x86")
Signed-off-by: Jimmy Assarsson <[email protected]>
Acked-by: Dave Hansen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jonathan Corbet <[email protected]>

Author: jassarsson

Documentation/admin-guide/kernel-parameters.txt

@@ -982,10 +982,6 @@
 			Documentation/admin-guide/dynamic-debug-howto.rst
 			for details.
 
-	nompx		[X86] Disables Intel Memory Protection Extensions.
-			See Documentation/x86/intel_mpx.rst for more
-			information about the feature.
-
 	nopku		[X86] Disable Memory Protection Keys CPU feature found
 			in some Intel CPUs.