Revert "added gloabl metadata parsing"
Revert "added gloabl metadata parsing"

This reverts commit e0f45b29b3f5e17c04ecd054b6c26c67d71e10e4.

Conflicts:
	src/Hakyll/Core/Provider/Metadata.hs

d12frosted/hakyll,beni55/hakyll,oldmanmike/hakyll,Minoru/hakyll,Javran/hakyll