Revert go-libp2p-kad-dht and related changes to a working version

This uses a working libp2p-kad-dht and libp2p-record libraries,
reverts the changes that were introduced to support the newer versions

License: MIT
Signed-off-by: Hector Sanjuan <hector@protocol.ai>

test/mock.go

@@ -6,7 +6,7 @@ import (
 	tn "github.com/ipfs/go-ipfs/exchange/bitswap/testnet"
 
 	delay "gx/ipfs/QmRJVNatYJwTAHgdSM1Xef9QVQ1Ch3XHdmcrykjP5Y4soL/go-ipfs-delay"
-	mockrouting "gx/ipfs/QmT51m6og9tmYo8FdaYin3zk1R7vA6ek5WYoHYEiMorfon/go-ipfs-routing/mock"
+	mockrouting "gx/ipfs/QmXtoXbu9ReyV6Q4kDQ5CF9wXQNDY1PdHc4HhfxRR5AHB3/go-ipfs-routing/mock"
 )
 
 // Mocks returns |n| connected mock Blockservices