effects.parser: Remove left-over old code that did (( -- )) stack effects.
effects.parser: Remove left-over old code that did (( -- )) stack effects.

mrjbq7/factor,AlexIljin/factor,AlexIljin/factor,nicolas-p/factor,factor/factor,AlexIljin/factor,tgunr/factor,mrjbq7/factor,AlexIljin/factor,bjourne/factor,mrjbq7/factor,bpollack/factor,mrjbq7/factor,nicolas-p/factor,bjourne/factor,bpollack/factor,nicolas-p/factor,nicolas-p/factor,nicolas-p/factor,factor/factor,mrjbq7/factor,mrjbq7/factor,factor/factor,factor/factor,bjourne/factor,bjourne/factor,bpollack/factor,factor/factor,nicolas-p/factor,AlexIljin/factor,bjourne/factor,factor/factor,tgunr/factor,nicolas-p/factor,AlexIljin/factor,bjourne/factor,tgunr/factor,tgunr/factor,bpollack/factor,tgunr/factor,AlexIljin/factor,bpollack/factor,bpollack/factor,tgunr/factor,bpollack/factor,bjourne/factor