Remove reference to PHP 5.3 in the readme
Remove reference to PHP 5.3 in the readme

We're not necessarily installing 5.3 depending on the install method being used.
getoutreach/php,inviqa/php,inviqa/php,Tiger66639/php,sergiuionescu/php,beubi/cookbook-php,periscopedevelopment/php,ck-1/php,opscode-cookbooks/php,ck-1/php,Sauraus/php,dastergon/php,edmunds-chef/php,getoutreach/php,opscode-cookbooks/php,dastergon/php,rshade/php,edmunds-chef/php,chef-cookbooks/php,chef-cookbooks/php,Tiger66639/php,periscopedevelopment/php,ranjithamca/php,beubi/cookbook-php,ranjithamca/php,sergiuionescu/php,Sauraus/php,rshade/php