pinctrl: pinmux: Drop duplicate error message in pinmux_select()

pinctrl_get_group_selector() prints an error message when group
is not found in the list. No need to repeat this in the caller.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230109132719.86009-1-andriy.shevchenko@linux.intel.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/pinmux.c

@@ -744,10 +744,8 @@ static ssize_t pinmux_select(struct file *file, const char __user *user_buf,
 	}
 
 	ret = pinctrl_get_group_selector(pctldev, gname);
-	if (ret < 0) {
-		dev_err(pctldev->dev, "failed to get group selector for %s", gname);
+	if (ret < 0)
 		goto exit_free_buf;
-	}
 	gsel = ret;
 
 	ret = pmxops->set_mux(pctldev, fsel, gsel);