ARM: dts: omap3-igep0020: Remove duplicate uart2 pinmux

uart2 pinmux is already defined in omap3-igep0020-common.dtsi, remove
the duplicate node.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/omap3-igep0020.dts

@@ -45,15 +45,6 @@ OMAP3_CORE1_IOPAD(0x2168, PIN_OUTPUT | MUX_MODE4)	/* sdmmc2_dat6.gpio_138 - WIFI
 			OMAP3_CORE1_IOPAD(0x216a, PIN_OUTPUT | MUX_MODE4)	/* sdmmc2_dat7.gpio_139 - RST_N_B */
 		>;
 	};
-
-	uart2_pins: pinmux_uart2_pins {
-		pinctrl-single,pins = <
-			OMAP3_CORE1_IOPAD(0x2174, PIN_INPUT | MUX_MODE0)	/* uart2_cts.uart2_cts */
-			OMAP3_CORE1_IOPAD(0x2176, PIN_OUTPUT | MUX_MODE0)	/* uart2_rts .uart2_rts*/
-			OMAP3_CORE1_IOPAD(0x2178, PIN_OUTPUT | MUX_MODE0)	/* uart2_tx.uart2_tx */
-			OMAP3_CORE1_IOPAD(0x217a, PIN_INPUT | MUX_MODE0)	/* uart2_rx.uart2_rx */
-		>;
-	};
 };
 
 /* On board Wifi module */