dts: remove unused node

Signed-off-by: Dmitry Petrov <dpetrov@dev.rtsoft.ru>

arch/arm64/boot/dts/kontron/pitx-imx8m.dtsi

@@ -912,12 +912,6 @@
 		>;
 	};
 
-	pinctrl_i2c1_dsi_ts_int: i2c1_dsi_ts_int_grp {
-		fsl,pins = <
-			MX8MQ_IOMUXC_ECSPI1_SCLK_GPIO5_IO6		0x19
-		>;
-	};
-
 	pinctrl_bridge_gpio: bridge_gpio {
 		fsl,pins = <
 			MX8MQ_IOMUXC_SAI5_RXFS_GPIO3_IO19		0x19