Merge !1211

en.yml: remove obsolete 'ffs' keys

See merge request monero-project/monero-site!1211

_i18n/en.yml

@@ -60,12 +60,6 @@ titles:
   themoneroproject: The Monero Project
   presskit: Press Kit
   legal: Legal
-  ffs: Forum Funding System
-  ffs-cp: Completed Proposals
-  ffs-fr: Funding Required
-  ffs-ideas: Ideas
-  ffs-ot: Open Tasks
-  ffs-wip: Work in Progress
   blogbytag: Blog
   library: Library