configs: Remove unused CONFIG_BOOTP_DEFAULT

include/configs/calimain.h

include/configs/cam_enc_4xx.h

include/configs/da830evm.h

include/configs/da850evm.h

include/configs/davinci_dm365evm.h

include/configs/davinci_dm6467evm.h

include/configs/davinci_dvevm.h

include/configs/davinci_schmoogie.h

include/configs/davinci_sffsdr.h

include/configs/davinci_sonata.h

include/configs/ea20.h

include/configs/enbw_cmc.h

include/configs/hawkboard.h

include/configs/igep0033.h

include/configs/mcx.h

include/configs/pcm051.h

include/configs/tam3517-common.h

include/configs/ti814x_evm.h