updating expected monthly with no trailing comma

git-svn-id: svn://scm.naturalcapitalproject.org/svn/invest-test-data@39 a1e471e8-3ae1-4eeb-aa86-f41caf2650e8

recreation_model/expected_monthly_table_for_subset.csv

 poly_id,2005-1,2005-2,2005-3,2005-4,2005-5,2005-6,2005-7,2005-8,2005-9,2005-10,2005-11,2005-12,2006-1,2006-2,2006-3,2006-4,2006-5,2006-6,2006-7,2006-8,2006-9,2006-10,2006-11,2006-12,2007-1,2007-2,2007-3,2007-4,2007-5,2007-6,2007-7,2007-8,2007-9,2007-10,2007-11,2007-12,2008-1,2008-2,2008-3,2008-4,2008-5,2008-6,2008-7,2008-8,2008-9,2008-10,2008-11,2008-12,2009-1,2009-2,2009-3,2009-4,2009-5,2009-6,2009-7,2009-8,2009-9,2009-10,2009-11,2009-12,2010-1,2010-2,2010-3,2010-4,2010-5,2010-6,2010-7,2010-8,2010-9,2010-10,2010-11,2010-12,2011-1,2011-2,2011-3,2011-4,2011-5,2011-6,2011-7,2011-8,2011-9,2011-10,2011-11,2011-12,2012-1,2012-2,2012-3,2012-4,2012-5,2012-6,2012-7,2012-8,2012-9,2012-10,2012-11,2012-12,2013-1,2013-2,2013-3,2013-4,2013-5,2013-6,2013-7,2013-8,2013-9,2013-10,2013-11,2013-12,2014-1,2014-2,2014-3,2014-4,2014-5,2014-6,2014-7,2014-8,2014-9,2014-10,2014-11,2014-12
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