This reverts commit 653e250d04.
Compiletion is broken with this patch:
[155/264] CXX build/release/db/config.o
FAILED: g++ -MMD -MT build/release/db/config.o -MF build/release/db/config.o.d -std=gnu++1y -g -Wall -Werror -fvisibility=hidden -pthread -I/home/shlomi/scylla/seastar -I/home/shlomi/scylla/seastar/build/release/gen -march=nehalem -Wno-overloaded-virtual -DHAVE_HWLOC -DHAVE_NUMA -O2 -I/usr/include/jsoncpp/ -Wno-maybe-uninitialized -DHAVE_LIBSYSTEMD=1 -I. -I build/release/gen -I seastar -I seastar/build/release/gen -c -o build/release/db/config.o db/config.cc
db/config.cc:57:13: error: ‘void db::validate(boost::any&, const std::vector<std::__cxx11::basic_string<char> >&, db::string_map*, int)’ defined but not used [-Werror=unused-function]
static void validate(boost::any& out, const std::vector<std::string>& in,
^
cc1plus: all warnings being treated as errors
This branch doesn't have commits which introduce the problem which
this patch fixes, so let's just revert it.