drop another capistrano leftover

config/cap_colors.rb

@@ -1,11 +0,0 @@
-require 'capistrano_colors'    
-
-capistrano_color_matchers = [
-  # Full docs at https://github.com/stjernstrom/capistrano_colors/
-  # Any priority above 0 will override capistrano_colors' defaults if needed
-  { :match => /^Deploying branch/, :color => :yellow, :prio => 20 },
-]
-
-capistrano_color_matchers.each do |matcher|
-  Capistrano::Logger::add_color_matcher( matcher )
-end