Remove compatibility patch. (#24)

Author: ioquatix

lib/protocol/http2/stream.rb

@@ -136,10 +136,6 @@ def send_headers?
 
 			# The HEADERS frame is used to open a stream, and additionally carries a header block fragment. HEADERS frames can be sent on a stream in the "idle", "reserved (local)", "open", or "half-closed (remote)" state.
 			def send_headers(*arguments)
-				if arguments.first.nil?
-					arguments.shift # Remove nil priority.
-				end
-				
 				if @state == :idle
 					frame = write_headers(*arguments)
 

test/protocol/http2/connection.rb

@@ -191,7 +191,7 @@ def before
 
 		it "can create new stream and send response" do
 			# First argument is deprecated priority.
-			stream.send_headers(nil, request_headers)
+			stream.send_headers(request_headers)
 			expect(stream.id).to be == 1
 
 			expect(server).to receive(:receive_headers) do |frame|