Remove more deprecated code

lib/simple_form.rb

@@ -179,43 +179,15 @@ module SimpleForm
     b.use :error, :wrap_with => { :tag => :span, :class => :error }
   end
 
-  ## SETUP
-
-  DEPRECATED = %w(hint_tag hint_class error_tag error_class error_notification_id wrapper_tag wrapper_class wrapper_error_class components html5)
-  @@deprecated = []
-
-  DEPRECATED.each do |method|
-    class_eval "def self.#{method}=(*); @@deprecated << :#{method}=; end"
-    class_eval "def self.#{method}; deprecation_warn 'SimpleForm.#{method} is deprecated and has no effect'; end"
-  end
-
-  def self.translate=(value)
-    deprecation_warn "SimpleForm.translate= is disabled in favor of translate_labels="
-    self.translate_labels = value
-  end
-
-  def self.translate
-    deprecation_warn "SimpleForm.translate is disabled in favor of translate_labels"
-    self.translate_labels
-  end
-
-  def self.deprecation_warn(message)
-    ActiveSupport::Deprecation.warn "[SIMPLE_FORM] #{message}", caller
-  end
-
   def self.additional_classes_for(component)
     generate_additional_classes_for.include?(component) ? yield : []
   end
 
+  ## SETUP
+
   # Default way to setup SimpleForm. Run rails generate simple_form:install
   # to create a fresh initializer with all configuration values.
   def self.setup
     yield self
-
-    unless @@deprecated.empty?
-      raise "[SIMPLE FORM] Your SimpleForm initializer file is using the following methods: #{@@deprecated.to_sentence}. " <<
-        "Those methods are part of the outdated configuration API. Updating to the new API is easy and fast. " <<
-        "Check for more info here: https://github.com/plataformatec/simple_form/wiki/Upgrading-to-Simple-Form-2.0"
-    end
   end
 end