Remove charles-applejava-beta (#4098)

Casks/charles-applejava-beta.rb

@@ -1,15 +0,0 @@
-cask 'charles-applejava-beta' do
-  version '3.11.6'
-  sha256 '9db6b051a6757e6c20542328c1ea3d82aa2dd1d13544c0db905ac1f384117947'
-
-  url "https://www.charlesproxy.com/assets/release/#{version.gsub(%r{b\d$}, '')}/charles-proxy-#{version}-applejava.dmg"
-  name 'Charles'
-  homepage 'https://www.charlesproxy.com/download/beta/'
-
-  app 'Charles.app'
-
-  zap delete: [
-                '~/Library/Application Support/Charles',
-                '~/Library/Preferences/com.xk72.charles.config',
-              ]
-end