Revert "FreeBSD: support for php.composer"

This reverts commit d2786dcef6.

php/map.jinja

             'xml_pkg': ['php5-xmlreader','php5-xmlwriter','php5-xmlrpc'],
             'zip_pkg': 'php5-zip',
         },
-        'FreeBSD': {
-            'local_bin': '/usr/local/bin',
-            'composer_bin': 'composer',
-            'temp_dir': '/tmp',
-        },
     }, merge=salt['pillar.get']('php:lookup')) %}
 {%- endif %}