revert adding LP ticker

Author: wdx04

targets/TARGET_STM/lp_ticker.c

@@ -266,7 +266,7 @@ void lp_ticker_init(void)
 #if defined (LPTIM_ACTIVEEDGE_FALLING)
     LptimHandle.Init.Trigger.ActiveEdge = LPTIM_ACTIVEEDGE_FALLING;
 #endif
-#if defined(TARGET_STM32U5) || defined(TARGET_STM32H5) || defined(TARGET_STM32U0)
+#if defined(TARGET_STM32U5) || defined(TARGET_STM32U0)
     LptimHandle.Init.Period = 0xFFFF;
 #endif
 #if defined (LPTIM_TRIGSAMPLETIME_DIRECTTRANSITION)

targets/targets.json5

@@ -3109,6 +3109,7 @@ mode is recommended for target MCUs with small amounts of flash and RAM.",
         ],
         "device_has_remove": [
             "FLASH",
+            "LPTICKER",
             "CAN",
 			"SERIAL_FC"
         ],