qcacld-3.0: Avoid self asingment in wma_process_rmf_frame

Remove self assing variable rx_pkt->pkt_meta.tsf_delta
from wma_process_rmf_frame which is already initialized
in wma_mgmt_rx_process from structure wmi_mgmt_rx_hdr.

Change-Id: Ie8a777fccc2fb282018fc9e3548631def00878a4
CRs-Fixed: 2043356
diff --git a/core/wma/src/wma_mgmt.c b/core/wma/src/wma_mgmt.c
index f3580d9..553fb5f 100644
--- a/core/wma/src/wma_mgmt.c
+++ b/core/wma/src/wma_mgmt.c
@@ -3197,7 +3197,6 @@
 		rx_pkt->pkt_meta.mpdu_data_ptr =
 		rx_pkt->pkt_meta.mpdu_hdr_ptr +
 		rx_pkt->pkt_meta.mpdu_hdr_len;
-		rx_pkt->pkt_meta.tsf_delta = rx_pkt->pkt_meta.tsf_delta;
 		rx_pkt->pkt_buf = wbuf;
 		WMA_LOGD(FL("BSSID: "MAC_ADDRESS_STR" tsf_delta: %u"),
 		    MAC_ADDR_ARRAY(wh->i_addr3), rx_pkt->pkt_meta.tsf_delta);