[fix] remove declaring Date namespace to allow Facade to work.
[fix] remove declaring Date namespace to allow Facade to work.

Date was having issues statically calling Date::toSql() since
the Facade is what permitted this static call.

fixes: https://help.hubzero.org/support/ticket/11799

anthonyfuentes/hubzero-cms,anthonyfuentes/hubzero-cms,zweidner/hubzero-cms,zooley/hubzero-cms,zweidner/hubzero-cms,zooley/hubzero-cms,zweidner/hubzero-cms,anthonyfuentes/hubzero-cms,anthonyfuentes/hubzero-cms,zooley/hubzero-cms,zweidner/hubzero-cms,zooley/hubzero-cms