Removed size method.

src/@dates/size.m

-function varargout = size(o)
-
-% Copyright (C) 2013-2014 Dynare Team
-%
-% This code is free software: you can redistribute it and/or modify
-% it under the terms of the GNU General Public License as published by
-% the Free Software Foundation, either version 3 of the License, or
-% (at your option) any later version.
-%
-% Dynare dates submodule is distributed in the hope that it will be useful,
-% but WITHOUT ANY WARRANTY; without even the implied warranty of
-% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-% GNU General Public License for more details.
-%
-% You should have received a copy of the GNU General Public License
-% along with Dynare.  If not, see <http://www.gnu.org/licenses/>.
-
-switch nargout
-  case 0
-    if isempty(o)
-        size([])
-    else
-        size(o.time)
-    end
-  case 1
-    if isempty(o)
-        varargout{1} = size([]);
-    else
-        varargout{1} = size(o.time);
-    end
-  otherwise
-    error('dates::size: Wrong calling sequence! Cannot return more than one argument.')
-end
\ No newline at end of file