fa24239a1c2281f61ab70a62228e88f4c7e72701 net: Avoid SetTxRelay for feeler connections (MacroFake)
Pull request description:
Seems odd to reserve memory for the struct (the heaviest member being `m_tx_inventory_known_filter`) when it is never used.
This also avoids sending out `msg_sendtxrcncl` before disconnecting. This shouldn't matter, as other messages, such as `msg_wtxidrelay`, `msg_sendaddrv2`, `msg_verack` or `msg_getaddr` are still sent. Though, it allows to test the changes here as a side-effect.
ACKs for top commit:
naumenkogs:
ACK fa24239a1c2281f61ab70a62228e88f4c7e72701
vasild:
ACK fa24239a1c2281f61ab70a62228e88f4c7e72701
jonatack:
ACK fa24239a1c2281f61ab70a62228e88f4c7e72701
mzumsande:
ACK fa24239a1c2281f61ab70a62228e88f4c7e72701
Tree-SHA512: d7604c7eb4df8f2de811e600bdd312440ee03e508d3a0f09ae79f7f2d3eeec663bfd47a2d079fa50b756d61e35dfa998de068a7b9afaf35378fa0e62a538263d