Revert "qcacld-3.0: Add the Full Power Down feature support"

This reverts commit I293647175c151da0fd6628345f98ea65c83b1bb3.

New solution idle shutdown in suspend prepare is better.

Change-Id: I69a0e7401c811e4a9656fcc8e3dd069f4317cc35
CRs-Fixed: 3213236

core/pld/inc/pld_common.h

@@ -369,16 +369,6 @@ enum pld_driver_mode {
 	PLD_FTM_COLDBOOT_CALIBRATION = 10
 };
 
-/**
- * enum pld_suspend_mode - WLAN suspend mode
- * @PLD_SUSPEND: suspend
- * @PLD_FULL_POWER_DOWN: full power down while suspend
- */
-enum pld_suspend_mode {
-	PLD_SUSPEND,
-	PLD_FULL_POWER_DOWN,
-};
-
 /**
  * struct pld_device_version - WLAN device version info
  * @family_number: family number of WLAN SOC HW
@@ -572,33 +562,6 @@ void pld_deinit(void);
  */
 int pld_set_mode(u8 mode);
 
-#ifdef FEATURE_WLAN_FULL_POWER_DOWN_SUPPORT
-/**
- * pld_set_suspend_mode() - set suspend mode in PLD module
- * @mode: pld suspend mode
- *
- * Return: 0 for success
- *         Non zero failure code for errors
- */
-int pld_set_suspend_mode(enum pld_suspend_mode mode);
-/**
- * pld_is_full_power_down_enable() - check full power down is enabled or not
- *
- * Return: true if full power down is enabled else false
- */
-bool pld_is_full_power_down_enable(void);
-#else
-static inline int pld_set_suspend_mode(enum pld_suspend_mode mode)
-{
-	return 0;
-}
-
-static inline bool pld_is_full_power_down_enable(void)
-{
-	return false;
-}
-#endif
-
 int pld_register_driver(struct pld_driver_ops *ops);
 void pld_unregister_driver(void);