scripted-diff: drop config/ subdir for bitcoin-config.h, rename to bitcoin-build-config.h

Follow-up for PR #30856, commit 0dd66251.

-BEGIN VERIFY SCRIPT-
sed -i "s|config/bitcoin-config\.h|bitcoin-build-config.h|g" $(git grep -l config/bitcoin-config\.h)
sed -i "s|bitcoin-config\.h|bitcoin-build-config.h|g" $(git grep -l "bitcoin-config\.h" ./src ./test ./cmake)
git mv ./cmake/bitcoin-config.h.in ./cmake/bitcoin-build-config.h.in
-END VERIFY SCRIPT-

src/common/netif.cpp

@@ -2,7 +2,7 @@
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or https://www.opensource.org/licenses/mit-license.php.
 
-#include <config/bitcoin-config.h> // IWYU pragma: keep
+#include <bitcoin-build-config.h> // IWYU pragma: keep
 
 #include <common/netif.h>
 

src/common/run_command.cpp

@@ -2,7 +2,7 @@
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-#include <config/bitcoin-config.h> // IWYU pragma: keep
+#include <bitcoin-build-config.h> // IWYU pragma: keep
 
 #include <common/run_command.h>
 

src/common/settings.cpp

@@ -4,7 +4,7 @@
 
 #include <common/settings.h>
 
-#include <config/bitcoin-config.h> // IWYU pragma: keep
+#include <bitcoin-build-config.h> // IWYU pragma: keep
 
 #include <tinyformat.h>
 #include <univalue.h>

src/common/system.cpp

@@ -3,7 +3,7 @@
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-#include <config/bitcoin-config.h> // IWYU pragma: keep
+#include <bitcoin-build-config.h> // IWYU pragma: keep
 
 #include <common/system.h>
 

src/common/system.h

@@ -6,7 +6,7 @@
 #ifndef BITCOIN_COMMON_SYSTEM_H
 #define BITCOIN_COMMON_SYSTEM_H
 
-#include <config/bitcoin-config.h> // IWYU pragma: keep
+#include <bitcoin-build-config.h> // IWYU pragma: keep
 
 #include <cstdint>
 #include <string>