Removed all "ffs" from layouts

additional-gui-dev.md

documentation-cleanup.md

fp-conference-2017.md

getmonero-redesign.md

improve-devguides-simplewallet.md

justin-local-meetups-1.md

justin-local-meetups-2.md

kovri-end-user-docs.md

monero-bounty-hackerone.md

monero-integrations.md

monero-subforum-8btc.md

mooo-continuation-programming.md

more-mooo-coding-goodness.md

official-qt-gui.md

qr-code-for-fr.md

release-pool-software.md

whatismonero-produced.md