sophia: allow sp_drop() during two-phase recover
sophia: allow sp_drop() during two-phase recover

clibs/sophia,tarantool/sophia,mneumann/sophia,Bitcoinsulting/sophia,tarantool/sophia,clibs/sophia,Bitcoinsulting/sophia,perint/sophia,mknight-tag/sophia,perint/sophia,Bitcoinsulting/sophia,clibs/sophia,tarantool/sophia,perint/sophia,mneumann/sophia,mknight-tag/sophia,mknight-tag/sophia,mneumann/sophia