if def out GetPJHashEntry for >-96 when we are using PostgreSQL built-in context...

if def out GetPJHashEntry for >-96  when we are using PostgreSQL built-in context.  We don't use it cause it returns projection, not the HashEntry grrh.
Take it out to quiet travis whining about how we define a function we are not using.
References #3946

git-svn-id: http://svn.osgeo.org/postgis/trunk@16168 b70326c6-7e19-0410-871a-916f4a2858ee