Remove useless method

Author: wilsonsilva

lib/jsonrpc/batch_request.rb

@@ -124,19 +124,6 @@ def size
     #
     alias length size
 
-    # Returns true if the batch contains no requests
-    #
-    # @api public
-    #
-    # @example Check if batch is empty
-    #   batch.empty? # => false
-    #
-    # @return [Boolean] true if the batch is empty, false otherwise
-    #
-    def empty?
-      requests.empty?
-    end
-
     # Handles each request/notification in the batch and returns responses
     #
     # @api public

spec/jsonrpc/batch_request_spec.rb

@@ -89,18 +89,6 @@
     end
   end
 
-  describe '#empty?' do
-    context 'when batch is non-empty' do
-      it 'returns false' do
-        batch = described_class.new([add_request])
-
-        expect(batch.empty?).to be false
-      end
-    end
-
-    # NOTE: The batch will never be empty due to a validation on initialization
-  end
-
   describe '#find' do
     let(:batch) { described_class.new([add_request, notify_notification, subtract_request]) }