Merge bitcoin/bitcoin#25029: rpc: Move fee estimation RPCs to separate file

fa753abd7c rpc: Move fee estimation RPCs to separate file (MacroFake)

Pull request description:

  Fee estimation is generally used by wallets when creating txs. It doesn't have anything to do with creating or submitting blocks.

ACKs for top commit:
  pk-b2:
    ACK https://github.com/bitcoin/bitcoin/pull/25029/commits/fa753abd7cffa05548ad5f21f2e8f9f6b06a7b04
  brunoerg:
    crACK fa753abd7c

Tree-SHA512: 81e0edc936198a0baf0f5bfa8cfedc12db51759c7873bb0082dfc5f0040d7f275b35f639c6f5b86fa1ea03397b0d5e757c2ce1b6b16f1029880a39b9c3aaceda

ci/test/06_script_b.sh

@@ -41,6 +41,7 @@ if [ "${RUN_TIDY}" = "true" ]; then
   CI_EXEC "python3 ${DIR_IWYU}/include-what-you-use/iwyu_tool.py"\
           " src/compat"\
           " src/init"\
+          " src/rpc/fees.cpp"\
           " src/rpc/signmessage.cpp"\
           " -p . ${MAKEJOBS} -- -Xiwyu --cxx17ns -Xiwyu --mapping_file=${BASE_BUILD_DIR}/bitcoin-$HOST/contrib/devtools/iwyu/bitcoin.core.imp"
 fi