boards: Remove bmi270 int1-gpios form thingy:53 DTS

BMI270 driver does not support interrupts
and int1-gpios property produces twister failures.

Signed-off-by: Dominik Chat <[email protected]>

Author: dchat-nordic

boards/arm/thingy53_nrf5340/thingy53_nrf5340_common.dts

@@ -198,7 +198,6 @@
 		status = "disabled";
 		spi-max-frequency = <8000000>;
 		reg = <1>;
-		int1-gpios = <&gpio0 23 0>;
 	};
 
 	nrf_radio_fem_spi: fem_spi@2 {