rpcserver: Remove version from gettxout result.

This removes version from the gettxout result, since upcoming changes
will be modifying utxo entries to no longer store the tx version.

docs/json_rpc_api.mediawiki

@@ -2078,11 +2078,10 @@ of the best block.
 : <code>confirmations</code>: <code>(numeric)</code> The number of confirmations.
 : <code>value</code>: <code>(numeric)</code> The transaction amount in DCR.
 : <code>scriptpubkey</code>: <code>(json object)</code> The public key script used to pay coins as a JSON object.
-: <code>version</code>: <code>(numeric)</code> The transaction version.
 : <code>coinbase</code>: <code>(numeric)</code> Whether or not the transaction is a coinbase.
 |-
 !Example Return
-|<code>{"bestblock": "00000000000000001914563fe4f93addae64cd2808a81835ae03b0947034843b","confirmations": 19,"value": 4.63835862,"scriptPubKey": {"asm": "OP_DUP OP_HASH160 f127302adf84741d28fa705a995dc827030077e5 OP_EQUALVERIFY OP_CHECKSIG","hex": "76a914f127302adf84741d28fa705a995dc827030077e588ac","reqSigs": 1,"type": "pubkeyhash","addresses": ["Dsnx1HW62otMif9zFyLzDnQdKuaV9cRNoyr"]},"version": 1,"coinbase": false}</code>
+|<code>{"bestblock": "00000000000000001914563fe4f93addae64cd2808a81835ae03b0947034843b","confirmations": 19,"value": 4.63835862,"scriptPubKey": {"asm": "OP_DUP OP_HASH160 f127302adf84741d28fa705a995dc827030077e5 OP_EQUALVERIFY OP_CHECKSIG","hex": "76a914f127302adf84741d28fa705a995dc827030077e588ac","reqSigs": 1,"type": "pubkeyhash","addresses": ["Dsnx1HW62otMif9zFyLzDnQdKuaV9cRNoyr"]},"coinbase": false}</code>
 |}
 
 ----

internal/rpcserver/rpcserver.go

@@ -56,8 +56,8 @@ import (
 
 // API version constants
 const (
-	jsonrpcSemverMajor = 6
-	jsonrpcSemverMinor = 2
+	jsonrpcSemverMajor = 7
+	jsonrpcSemverMinor = 0
 	jsonrpcSemverPatch = 0
 )
 
@@ -3520,7 +3520,6 @@ func handleGetTxOut(_ context.Context, s *Server, cmd interface{}) (interface{},
 	// from there, otherwise attempt to fetch from the block database.
 	var bestBlockHash string
 	var confirmations int64
-	var txVersion uint16
 	var value int64
 	var scriptVersion uint16
 	var pkScript []byte
@@ -3561,7 +3560,6 @@ func handleGetTxOut(_ context.Context, s *Server, cmd interface{}) (interface{},
 
 		bestBlockHash = best.Hash.String()
 		confirmations = 0
-		txVersion = mtx.Version
 		value = txOut.Value
 		scriptVersion = txOut.Version
 		pkScript = txOut.PkScript
@@ -3598,7 +3596,6 @@ func handleGetTxOut(_ context.Context, s *Server, cmd interface{}) (interface{},
 
 		bestBlockHash = best.Hash.String()
 		confirmations = 1 + best.Height - entry.BlockHeight()
-		txVersion = entry.TxVersion()
 		value = entry.AmountByIndex(c.Vout)
 		scriptVersion = entry.ScriptVersionByIndex(c.Vout)
 		pkScript = entry.PkScriptByIndex(c.Vout)
@@ -3625,7 +3622,6 @@ func handleGetTxOut(_ context.Context, s *Server, cmd interface{}) (interface{},
 		BestBlock:     bestBlockHash,
 		Confirmations: confirmations,
 		Value:         dcrutil.Amount(value).ToUnit(dcrutil.AmountCoin),
-		Version:       int32(txVersion),
 		ScriptPubKey: types.ScriptPubKeyResult{
 			Asm:       disbuf,
 			Hex:       hex.EncodeToString(pkScript),

internal/rpcserver/rpcserverhandlers_test.go

@@ -4951,7 +4951,6 @@ func TestHandleGetTxOut(t *testing.T) {
 			Type:      scriptClass.String(),
 			Addresses: addresses,
 		},
-		Version:  int32(msgTx.Version),
 		Coinbase: false,
 	}
 	txOutResultChain := txOutResultMempool

rpc/jsonrpc/types/chainsvrresults.go

@@ -374,7 +374,6 @@ type GetTxOutResult struct {
 	Confirmations int64              `json:"confirmations"`
 	Value         float64            `json:"value"`
 	ScriptPubKey  ScriptPubKeyResult `json:"scriptPubKey"`
-	Version       int32              `json:"version"`
 	Coinbase      bool               `json:"coinbase"`
 }