AP_ChibiOS: Delete the same definition #2860

Job	Run time
build (stm32f7, chibios, 10)	14m 32s
build (stm32h7, chibios, 10)	12m 35s
build (fmuv2-plane, chibios, 10)	6m 12s
build (periph-build, chibios, 10)	21m 49s
build (iofirmware, chibios, 10)	1m 59s
build (CubeOrange-bootloader, chibios, 10)	1m 9s
build (fmuv3-bootloader, chibios, 10)	1m 26s
build (revo-bootloader, chibios, 10)	1m 19s
build (stm32h7-debug, chibios, 10)	6m 35s
build (fmuv3, chibios, 10)	14m 43s
build (revo-mini, chibios, 10)	15m 34s
build (MatekF405-Wing, chibios, 10)	15m 6s
build (CubeOrange-ODID, chibios, 10)	8m 29s
build (CubeRedPrimary-bootloader, chibios, 10)	1m 9s
build (configure-all, chibios, 10)	13m 13s
build (build-options-defaults-test, chibios, 10)	27m 3s
build (signing, chibios, 10)	8m 55s
	2h 51m 48s

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