Use the correct prefix for pear on FreeBSD

As of 2018-03-08, pear is flavored/prefixed in FreeBSD[1]. Remove the
special handling and use the configured prefix as for most other
distributions.

[1] See UPDATING note e.g. on https://www.freshports.org/devel/pear/

Author: oxc

manifests/pear.pp

@@ -33,10 +33,6 @@
           # even though others are called 'php5-fpm' or 'php5-dev'
           $package_name = "php-${php::params::pear_package_suffix}"
         }
-        'FreeBSD': {
-          # On FreeBSD the package name is just 'pear'.
-          $package_name = $php::params::pear_package_suffix
-        }
         default: {
           # This is the default for all other architectures
           $package_name = "${php::package_prefix}${php::params::pear_package_suffix}"