fees: refactor: rename fees to block_policy_estimator

- Also move it to policy/fees and update the includes

src/wallet/coincontrol.h

@@ -7,7 +7,7 @@
 
 #include <outputtype.h>
 #include <policy/feerate.h>
-#include <policy/fees.h>
+#include <policy/fees/block_policy_estimator.h>
 #include <primitives/transaction.h>
 #include <script/keyorigin.h>
 #include <script/signingprovider.h>

src/wallet/feebumper.cpp

@@ -5,7 +5,7 @@
 #include <common/system.h>
 #include <consensus/validation.h>
 #include <interfaces/chain.h>
-#include <policy/fees.h>
+#include <policy/fees/block_policy_estimator.h>
 #include <policy/policy.h>
 #include <util/moneystr.h>
 #include <util/rbf.h>

src/wallet/interfaces.cpp

@@ -9,7 +9,7 @@
 #include <interfaces/chain.h>
 #include <interfaces/handler.h>
 #include <node/types.h>
-#include <policy/fees.h>
+#include <policy/fees/block_policy_estimator.h>
 #include <primitives/transaction.h>
 #include <rpc/server.h>
 #include <scheduler.h>

src/wallet/spend.h

@@ -6,7 +6,7 @@
 #define BITCOIN_WALLET_SPEND_H
 
 #include <consensus/amount.h>
-#include <policy/fees.h>
+#include <policy/fees/block_policy_estimator.h>
 #include <util/result.h>
 #include <wallet/coinselection.h>
 #include <wallet/transaction.h>

src/wallet/test/spend_tests.cpp

@@ -3,7 +3,7 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <consensus/amount.h>
-#include <policy/fees.h>
+#include <policy/fees/block_policy_estimator.h>
 #include <script/solver.h>
 #include <validation.h>
 #include <wallet/coincontrol.h>