Remove kosmos-bitcoin::source from draco

Bitcoind runs inside a VM, not directly on the host

nodes/draco.kosmos.org.json

@@ -20,7 +20,6 @@
       "kosmos_encfs",
       "kosmos_encfs::default",
       "kosmos-postgresql::replica",
-      "kosmos-bitcoin::source",
       "apt::default",
       "timezone_iii::default",
       "timezone_iii::debian",
@@ -57,7 +56,6 @@
     "recipe[kosmos-base]",
     "recipe[kosmos_encfs]",
     "role[postgresql_replica]",
-    "recipe[kosmos-bitcoin::source]",
     "recipe[kosmos_kvm::host]",
     "recipe[kosmos-ejabberd::firewall]",
     "recipe[kosmos-ipfs::firewall_swarm]",