bench: re1.c: removed the unused ncaps argument and local var.
bench: re1.c: removed the unused ncaps argument and local var.

openresty/sregex,MarginC/sregex,MarginC/sregex,MarginC/sregex,openresty/sregex,openresty/sregex,MarginC/sregex,openresty/sregex,MarginC/sregex