Revert "qcacmn: Flush ME desc while mcast enhancement disable"

This reverts Change-Id: Ieeaab082d09135b4c803d68041ebf9b4bf7bb144

Change-Id: I4d4b07ae357cffea24c2975445120df79cbddc0d
CRs-fixed: 2444484

dp/wifi3.0/dp_tx.h

@@ -243,8 +243,4 @@ static inline void dp_tx_comp_process_exception(struct dp_tx_desc_s *tx_desc)
 	return;
 }
 /* TODO TX_FEATURE_NOT_YET */
-
-void dp_tx_comp_free_buf(struct dp_soc *soc, struct dp_tx_desc_s *desc);
-void dp_tx_desc_release(struct dp_tx_desc_s *tx_desc, uint8_t desc_pool_id);
-
 #endif