qcacld-3.0: Remove obsolete wma_api prototypes

wma_api.h contains two prototypes for functions that are no longer
a part of the driver, so remove them.

Change-Id: I79c96320a23471e0c21cc04ec1b207cda76db199
CRs-Fixed: 2365053

core/wma/inc/wma_api.h

@@ -173,9 +173,6 @@ void wma_set_fw_wlan_feat_caps(enum cap_bitmap feature);
 
 QDF_STATUS wma_post_ctrl_msg(struct mac_context *mac, struct scheduler_msg *pMsg);
 
-void wma_register_wow_wakeup_events(WMA_HANDLE handle, uint8_t vdev_id,
-					uint8_t vdev_type, uint8_t sub_type);
-void wma_register_wow_default_patterns(WMA_HANDLE handle, uint8_t vdev_id);
 int8_t wma_get_mac_id_of_vdev(uint32_t vdev_id);
 void wma_update_intf_hw_mode_params(uint32_t vdev_id, uint32_t mac_id,
 				uint32_t cfgd_hw_mode_index);