nfc: st21nfca: drop unneeded debug prints

ftrace is a preferred and standard way to debug entering and exiting
functions so drop useless debug prints.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/nfc/st21nfca/i2c.c

@@ -421,7 +421,6 @@ static int st21nfca_hci_i2c_read(struct st21nfca_i2c_phy *phy,
 static irqreturn_t st21nfca_hci_irq_thread_fn(int irq, void *phy_id)
 {
 	struct st21nfca_i2c_phy *phy = phy_id;
-	struct i2c_client *client;
 
 	int r;
 
@@ -430,9 +429,6 @@ static irqreturn_t st21nfca_hci_irq_thread_fn(int irq, void *phy_id)
 		return IRQ_NONE;
 	}
 
-	client = phy->i2c_dev;
-	dev_dbg(&client->dev, "IRQ\n");
-
 	if (phy->hard_fault != 0)
 		return IRQ_HANDLED;
 

drivers/nfc/st21nfca/se.c

@@ -257,8 +257,6 @@ static void st21nfca_se_wt_timeout(struct timer_list *t)
 	struct st21nfca_hci_info *info = from_timer(info, t,
 						    se_info.bwi_timer);
 
-	pr_debug("\n");
-
 	info->se_info.bwi_active = false;
 
 	if (!info->se_info.xch_error) {
@@ -278,8 +276,6 @@ static void st21nfca_se_activation_timeout(struct timer_list *t)
 	struct st21nfca_hci_info *info = from_timer(info, t,
 						    se_info.se_active_timer);
 
-	pr_debug("\n");
-
 	info->se_info.se_active = false;
 
 	complete(&info->se_info.req_completion);