Revert "drivers: clock_control: nrf: Add missing flags clearing"

This reverts commit 804e502. Signed-off-by: Krzysztof Chruściński <krzysztof.chruscinski@nordicsemi.no>

Author: nordic-krch

drivers/clock_control/clock_control_nrf.c

@@ -442,13 +442,6 @@ void z_nrf_clock_bt_ctlr_hf_release(void)
 hfclk_users &= ~HF_USER_BT;
 /* Skip stopping if generic is still requesting the clock. */
 if (!(hfclk_users & HF_USER_GENERIC)) {
-struct nrf_clock_control_sub_data *sub_data =
-get_sub_data(CLOCK_DEVICE, CLOCK_CONTROL_NRF_TYPE_HFCLK);
-
-/* State needs to be set to OFF as BT API does not call stop API which
- * normally setting this state.
- */
-sub_data->flags = CLOCK_CONTROL_STATUS_OFF;
 hfclk_stop();
 }