Removing shebang to be less confusing

samples/custom_config.rb

@@ -1,4 +1,3 @@
-#!/usr/bin/env ruby
 require 'squib'
 
 Squib::Deck.new(config: 'custom-config.yml') do

samples/excel.rb

@@ -1,4 +1,3 @@
-#!/usr/bin/env ruby
 require 'squib'
 
 Squib::Deck.new(cards: 3) do

samples/ranges.rb

@@ -1,4 +1,3 @@
-#!/usr/bin/env ruby
 require 'squib'
 
 data = {'name' => ['Thief', 'Grifter', 'Mastermind'],

samples/tgc_proofs.rb

@@ -1,4 +1,3 @@
-#!/usr/bin/env ruby
 require 'squib'
 
 # This sample uses a proof overlay from TheGameCrafter.com to check bleed