[nrf fromlist] modules: hal_nordic: Remove nrf-regtool support for nRF54H

Upstream PR #: 91413

nrf-regtool will not be used as part of IronSide SE compatible builds.
It will remain in use for the nRF92 series, until that too receives a
port of IronSide SE.

Signed-off-by: Grzegorz Swiderski <[email protected]>
(cherry picked from commit c514f6bd538b6e23ffb7db9cecfba43c81fe9a99)

Author: 57300

modules/hal_nordic/Kconfig.nrf_regtool

@@ -2,7 +2,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 menu "nrf-regtool options"
-	depends on SOC_SERIES_NRF54HX || SOC_SERIES_NRF92X
+	depends on SOC_SERIES_NRF92X
 
 config NRF_REGTOOL_GENERATE_UICR
 	bool "Generate UICR"