php54: remove old bottle definitions
php54: remove old bottle definitions

Closes #1780.

Signed-off-by: Alan Ivey <ee249fd9166eccef852f50ca0cbb6ff8665afe99@gmail.com>

mkalkbrenner/homebrew-php,philcook/homebrew-php,TomK/homebrew-php,ablyler/homebrew-php,dguyon/homebrew-php