pcre: remove platforms.txt it works on windows too.
pcre: remove platforms.txt it works on windows too.

factor/factor,nicolas-p/factor,bpollack/factor,bjourne/factor,AlexIljin/factor,slavapestov/factor,factor/factor,AlexIljin/factor,bpollack/factor,nicolas-p/factor,dch/factor,bpollack/factor,nicolas-p/factor,nicolas-p/factor,bjourne/factor,slavapestov/factor,factor/factor,mrjbq7/factor,slavapestov/factor,tgunr/factor,bjourne/factor,dch/factor,dch/factor,nicolas-p/factor,AlexIljin/factor,tgunr/factor,slavapestov/factor,bjourne/factor,bpollack/factor,sarvex/factor-lang,bjourne/factor,sarvex/factor-lang,nicolas-p/factor,AlexIljin/factor,bpollack/factor,mrjbq7/factor,tgunr/factor,slavapestov/factor,sarvex/factor-lang,AlexIljin/factor,sarvex/factor-lang,sarvex/factor-lang,dch/factor,bjourne/factor,tgunr/factor,sarvex/factor-lang,sarvex/factor-lang,nicolas-p/factor,bpollack/factor,dch/factor,factor/factor,slavapestov/factor,factor/factor,factor/factor,tgunr/factor,mrjbq7/factor,mrjbq7/factor,tgunr/factor,bjourne/factor,dch/factor,bpollack/factor,mrjbq7/factor,AlexIljin/factor,AlexIljin/factor,mrjbq7/factor,slavapestov/factor