Removed readme text that isn't relevant to MaxMind DB
Removed readme text that isn't relevant to MaxMind DB

maxmind/MaxMind-DB-Reader-php,jbboehr/MaxMind-DB-Reader-php,maxmind/MaxMind-DB-Reader-php,jbboehr/MaxMind-DB-Reader-php,jbboehr/MaxMind-DB-Reader-php,maxmind/MaxMind-DB-Reader-php