[Tests] Remove unused variable and inline another variable in evo_deterministicmns_tests.cpp (#2978)

* remove unused variable

Signed-off-by: Pasta <Pasta@dash.org>

* inline a variable which is used only once

Signed-off-by: Pasta <Pasta@dash.org>

Author: PastaPastaPasta

src/test/evo_deterministicmns_tests.cpp

@@ -20,9 +20,6 @@
 
 #include <boost/test/unit_test.hpp>
 
-static const CBitcoinAddress payoutAddress  ("yRq1Ky1AfFmf597rnotj7QRxsDUKePVWNF");
-static const std::string payoutKey          ("cV3qrPWzDcnhzRMV4MqtTH4LhNPqPo26ZntGvfJhc8nqCi8Ae5xR");
-
 typedef std::map<COutPoint, std::pair<int, CAmount>> SimpleUTXOMap;
 
 static SimpleUTXOMap BuildSimpleUtxoMap(const std::vector<CTransaction>& txs)
@@ -218,6 +215,7 @@ BOOST_FIXTURE_TEST_CASE(dip3_activation, TestChainDIP3BeforeActivationSetup)
     auto utxos = BuildSimpleUtxoMap(coinbaseTxns);
     CKey ownerKey;
     CBLSSecretKey operatorKey;
+    CBitcoinAddress payoutAddress("yRq1Ky1AfFmf597rnotj7QRxsDUKePVWNF");
     auto tx = CreateProRegTx(utxos, 1, GetScriptForDestination(payoutAddress.Get()), coinbaseKey, ownerKey, operatorKey);
     std::vector<CMutableTransaction> txns = {tx};