build: remove duplicate item from FALCO_SOURCES
build: remove duplicate item from FALCO_SOURCES

Signed-off-by: Leonardo Di Donato <2012e0ca99d70aa6c893822ff73002216e5dba72@gmail.com>
draios/falco,draios/falco,draios/falco,draios/falco,draios/falco,draios/falco,draios/falco,draios/falco