Drop deprecated Gem2Rpm::Format

Author: voxik

README.md

@@ -73,7 +73,7 @@ $ gem2rpm --templates
 The template is a standard ERB file that comes with several variables:
 
 - `package` - the `Gem::Package` for the gem
-- `spec` - the `Gem::Specification` for the gem (the same as `format.spec`)
+- `spec` - the `Gem::Specification` for the gem
 - `config` - the `Gem2Rpm::Configuration` that can redefine default macros or rules used in `spec` template helpers
 - `runtime_dependencies` - the `Gem2Rpm::RpmDependencyList` providing list of package runtime dependencies
 - `development_dependencies` - the `Gem2Rpm::RpmDependencyList` providing list of package development dependencies
@@ -82,10 +82,6 @@ The template is a standard ERB file that comes with several variables:
 - `main_files` - the `Gem2Rpm::RpmFileList` providing list of files suitable for main package
 - `doc_files` - the `Gem2Rpm::RpmFileList` providing list of files suitable for -doc subpackage
 
-The following variables still work, but are now deprecated:
-
-- `format` - The `Gem::Format` for the gem. Please note that this is kept just for compatibility reasons, since RubyGems 2.0 removed this class.
-
 ### Template Configuration
 
 To make the templates lighter and more complete, Gem2Rpm introduced in version 0.11.0 new configurable template variables such as `main_files` or `doc_files` that can be further configured via local `config` variable as follows:

lib/gem2rpm.rb

@@ -3,7 +3,6 @@
 require 'rubygems/package'
 require 'gem2rpm/context'
 require 'gem2rpm/distro'
-require 'gem2rpm/gem/format'
 require 'gem2rpm/gem/specification'
 require 'gem2rpm/rpm_dependency_list'
 require 'gem2rpm/rpm_file_list'

lib/gem2rpm/context.rb

@@ -4,7 +4,7 @@ module Gem2Rpm
   class Context
     include Gem2Rpm::TemplateHelpers
 
-    attr_reader :nongem, :local, :doc_subpackage, :package, :format, :spec,
+    attr_reader :nongem, :local, :doc_subpackage, :package, :spec,
       :config, :runtime_dependencies, :development_dependencies, :tests,
       :files, :download_path
 
@@ -14,8 +14,6 @@ def initialize(fname, nongem = true, local = false, doc_subpackage = true)
       @doc_subpackage = doc_subpackage
 
       @package = Gem::Package.new(fname)
-      # Deprecate, kept just for backward compatibility.
-      @format = Gem2Rpm::Format.new(@package)
       @spec = Gem2Rpm::Specification.new(@package.spec)
 
       @config = Configuration.instance.reset