pwm: stm32-lp: Remove useless loop in stm32_pwm_lp_remove()

LPTimer has only one pwm channel (npwm = 1). Remove useless for loop
in remove routine.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

drivers/pwm/pwm-stm32-lp.c

@@ -217,10 +217,8 @@ static int stm32_pwm_lp_probe(struct platform_device *pdev)
 static int stm32_pwm_lp_remove(struct platform_device *pdev)
 {
 	struct stm32_pwm_lp *priv = platform_get_drvdata(pdev);
-	unsigned int i;
 
-	for (i = 0; i < priv->chip.npwm; i++)
-		pwm_disable(&priv->chip.pwms[i]);
+	pwm_disable(&priv->chip.pwms[0]);
 
 	return pwmchip_remove(&priv->chip);
 }