removed refconfigurations for use of configurations
removed refconfigurations for use of configurations

hellowshinobu/easyloggingpp,spthaolt/easyloggingpp,blankme/easyloggingpp,arvidsson/easyloggingpp,blankme/easyloggingpp,blankme/easyloggingpp,dreal-deps/easyloggingpp,chenmusun/easyloggingpp,hellowshinobu/easyloggingpp,chenmusun/easyloggingpp,utiasASRL/easyloggingpp,spqr33/easyloggingpp,spqr33/easyloggingpp,simonhang/easyloggingpp,spqr33/easyloggingpp,lisong521/easyloggingpp,simonhang/easyloggingpp,dreal-deps/easyloggingpp,lisong521/easyloggingpp,arvidsson/easyloggingpp,lisong521/easyloggingpp,spthaolt/easyloggingpp,utiasASRL/easyloggingpp,dreal-deps/easyloggingpp,hellowshinobu/easyloggingpp,spthaolt/easyloggingpp,chenmusun/easyloggingpp,utiasASRL/easyloggingpp,arvidsson/easyloggingpp,simonhang/easyloggingpp