tests: Reduce compilation time and unneccessary recompiles by removing unused includes in tests

src/wallet/test/psbt_wallet_tests.cpp

@@ -3,12 +3,10 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <key_io.h>
-#include <script/sign.h>
 #include <util/bip32.h>
 #include <util/strencodings.h>
 #include <wallet/psbtwallet.h>
 #include <wallet/wallet.h>
-#include <univalue.h>
 
 #include <boost/test/unit_test.hpp>
 #include <test/setup_common.h>