This reverts commit ef18a9b.

Fixes meshtastic#6683, I have not tried to understand *why* this work, this was found by `git bisect`:
```
git bisect start
# status: waiting for both good and bad commits
# bad: [b4e8f7d] Update Adafruit BusIO digest to 159f86a (meshtastic#6681)
git bisect bad b4e8f7d
# status: waiting for good commit(s), bad commit known
# good: [6429eca] udp-multicast: do not listen for incoming udp multicast packets if disabled (meshtastic#6397)
git bisect good 6429eca
# bad: [1b1d462] chore: update ubx.h (meshtastic#6522)
git bisect bad 1b1d462
# good: [89cde1a] udp-multicast: bump platform-native to UDP with error handling support (meshtastic#6433)
git bisect good 89cde1a
# good: [2c01fad] meshtasticd: Add FrequencyLabs MeshAdv-Mini Hat (meshtastic#6458)
git bisect good 2c01fad
# bad: [0110275] Revert "Try-fix ESP32 wifi disconnects (meshtastic#6363)" (meshtastic#6493)
git bisect bad 0110275
# bad: [ef18a9b] meshtasticd: Set available.d dir in yaml (meshtastic#6481)
git bisect bad ef18a9b
# good: [ea4ce8d] MUI unPhone-tft: fix defaults (meshtastic#6477)
git bisect good ea4ce8d
# good: [f6ed10f] Added initial support for Texas Instruments LP5562 (meshtastic#6381)
git bisect good f6ed10f
# good: [67fddcc] Upgrade trunk (meshtastic#6480)
git bisect good 67fddcc
# first bad commit: [ef18a9b] meshtasticd: Set available.d dir in yaml (meshtastic#6481)
```
I have tested this patch and it does work as expected after reverting.

…sabled (meshtastic#6397)

Currently the config flag only control if packets are sent, not received.

As we discussed in VC this is not what was intended.