Change the sample applications that use network socket API to
use the POSIX_API config because the NET_SOCKETS_POSIX_NAMES is
deprecated. Convert also the zsock_ API calls to plain BSD
socket API calls when applicable.
Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
Clean up logging menuconfig by grouping configuration into
sections like: mode, processing configuration, backends.
Additionlly, removed LOG_ENABLE_FANCY_OUTPUT_FORMATTING which is no
longer in use.
Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no>