Merge bitcoin/bitcoin#30427: remove truc_policy from libbitcoin_common_a_SOURCES

e8c3b71 remove truc_policy.cpp from libbitcoin_common_a_SOURCES (glozow)

Pull request description:

  Hebasto pointed out that it doesn't need to be there since it's in `libbitcoin_node_a_SOURCES`

ACKs for top commit:
  maflcko:
    ACK e8c3b71
  hebasto:
    ACK e8c3b71, this change follows the design [docs](https://github.com/bitcoin/bitcoin/blob/master/doc/design/libraries.md).
  ismaelsadeeq:
    ACK e8c3b71

Tree-SHA512: ebe6b0dda2d097d88c37d2b071ac99da3e9c519ec473d4b8f870a50f1b24d00e2e5deef317fb0f6a91c96103e7f37468cb8f13395818eab55a42af48df4e0fc6

Author: fanquake

src/Makefile.am

@@ -707,7 +707,6 @@ libbitcoin_common_a_SOURCES = \
   outputtype.cpp \
   policy/feerate.cpp \
   policy/policy.cpp \
-  policy/truc_policy.cpp \
   protocol.cpp \
   psbt.cpp \
   rpc/external_signer.cpp \