Merge #3975

3975: Revert "Support NodeToNodeV_10" r=coot a=coot

This reverts commit bb4106c.


Co-authored-by: Marcin Szamotulski <[email protected]>

Author: iohk-bors[bot]

ouroboros-consensus-cardano/src/Ouroboros/Consensus/Cardano/Node.hs

@@ -480,7 +480,7 @@ instance CardanoHardForkConstraints c
       , (NodeToClientV_14, CardanoNodeToClientVersion10)
       ]
 
-  latestReleasedNodeVersion _prx = (Just NodeToNodeV_10, Just NodeToClientV_14)
+  latestReleasedNodeVersion _prx = (Just NodeToNodeV_9, Just NodeToClientV_14)
 
 {-------------------------------------------------------------------------------
   ProtocolInfo

ouroboros-network/src/Ouroboros/Network/NodeToNode/Version.hs

@@ -45,6 +45,9 @@ data NodeToNodeVersion
     -- ^ Changes:
     --
     -- * Enable full duplex connections.
+    --   NOTE: This is an experimental protocol version, which is not yet
+    --   released.  Until initial P2P version it must be kept as the last
+    --   version, which allows us to keep it as an experimental version.
   deriving (Eq, Ord, Enum, Bounded, Show, Typeable)
 
 nodeToNodeVersionCodec :: CodecCBORTerm (Text, Maybe Int) NodeToNodeVersion