[nrf fromtree] doc: release: 3.4: Remove Kconfig option usage for removed Kconfig

Removes the Kconfig extension function around a Kconfig that has
been removed

Signed-off-by: Jamie McCrae <[email protected]>
(cherry picked from commit 5ff1088)

Author: nordicjm

doc/releases/release-notes-3.4.rst

@@ -1406,7 +1406,7 @@ MCUboot
   interactive Kconfig interfaces, the MCUboot options will now be located under
   ``Modules`` instead of under ``Boot Options``.
 
-* Added :kconfig:option:`CONFIG_MCUBOOT_CMAKE_WEST_SIGN_PARAMS` that allows to pass arguments to
+* Added ``CONFIG_MCUBOOT_CMAKE_WEST_SIGN_PARAMS`` that allows to pass arguments to
   west sign when invoked from cmake.
 
 Storage