qcacmn: Revert additional hif_runtime_pm_put call

hif_runtime_p_put was mistakenly added at two places on the
TX completion path due to a merge issue. Revert the additional call at
dp_tx_comp_handler.

Change-Id: I26a0a9188a490d60e050adbd7ba04e88e213c0b9
CRs-Fixed: 2329466

dp/wifi3.0/dp_tx.c

@@ -3171,8 +3171,6 @@ uint32_t dp_tx_comp_handler(struct dp_soc *soc, void *hal_srng, uint32_t quota)
 		}
 
 		num_processed += !(count & DP_TX_NAPI_BUDGET_DIV_MASK);
-		/* Decrement PM usage count if the packet has been sent.*/
-		hif_pm_runtime_put(soc->hif_handle);
 
 		/*
 		 * Processed packet count is more than given quota