Remove the monit_syncd, from docker-syncd-brcm-dnx. (#8003)

Remove the references to file monit_syncd from docker-syncd-brcm-dnx, which got missed as the PR #7598 overlapped #7676

Author: judyjoseph

platform/broadcom/docker-syncd-brcm-dnx.mk

@@ -46,4 +46,3 @@ $(DOCKER_SYNCD_DNX_BASE)_RUN_OPT += -v /host/warmboot:/var/warmboot
 $(DOCKER_SYNCD_DNX_BASE)_BASE_IMAGE_FILES += bcmcmd:/usr/bin/bcmcmd
 $(DOCKER_SYNCD_DNX_BASE)_BASE_IMAGE_FILES += bcmsh:/usr/bin/bcmsh
 $(DOCKER_SYNCD_DNX_BASE)_BASE_IMAGE_FILES += bcm_common:/usr/bin/bcm_common
-$(DOCKER_SYNCD_DNX_BASE)_BASE_IMAGE_FILES += monit_syncd:/etc/monit/conf.d