remove config
Add 'system/config/' from commit '999c741821a2bf12ee4c41c2bb4f1b5d6900be5e'

git-subtree-dir: system/config
git-subtree-mainline: 59d15c7d9282325f60a56732041fc5bed7d58dfe
git-subtree-split: 999c741821a2bf12ee4c41c2bb4f1b5d6900be5e