Revert "simplicity_sdk: Patch in sl_power_manager_hal_s2.c"

This reverts commit 76b2e82.

Signed-off-by: Aksel Skauge Mellbye <[email protected]>

Author: asmellby

simplicity_sdk/platform/service/power_manager/src/sleep_loop/sl_power_manager_hal_s2.c

@@ -615,8 +615,6 @@ void sli_power_manager_apply_em(sl_power_manager_em_t em)
     case SL_POWER_MANAGER_EM2:
     case SL_POWER_MANAGER_EM3:
       EMU_EnterEM2(false);
-      // Clear the SLEEPDEEP bit after sleep.
-      SCB->SCR &= ~SCB_SCR_SLEEPDEEP_Msk;
       break;
 
     default: