arm/xilinx-zynqmp-rpu: Remove superfluous option

spec/build/bsps/arm/xilinx-zynqmp-rpu/grp.yml

@@ -18,8 +18,6 @@ links:
   uid: ../start
 - role: build-dependency
   uid: abi
-- role: build-dependency
-  uid: optclkfastidle
 - role: build-dependency
   uid: optclkuart
 - role: build-dependency

spec/build/bsps/arm/xilinx-zynqmp-rpu/optclkfastidle.yml

@@ -1,21 +0,0 @@
-SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
-actions:
-- get-boolean: null
-- define-condition: null
-build-type: option
-copyrights:
-- Copyright (C) 2020 embedded brains GmbH & Co. KG
-default:
-- enabled-by:
-  - arm/lm3s6965_qemu
-  - arm/realview_pbx_a9_qemu
-  - arm/xilinx_zynq_a9_qemu
-  value: true
-- enabled-by: true
-  value: false
-description: |
-  This sets a mode where the time runs as fast as possible when a clock ISR occurs while the IDLE thread is executing.  This can significantly reduce simulation times.
-enabled-by: true
-links: []
-name: CLOCK_DRIVER_USE_FAST_IDLE
-type: build