[WebSocket] Remove layout tests about deflate-frame extension

LayoutTests/http/tests/websocket/deflate-frame-invalid-parameter_wsh.py

-# Copyright 2012, Google Inc.  All rights reserved.
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-#     * Redistributions of source code must retain the above copyright
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-# distribution.
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-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
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-
-
-import urllib
-from mod_pywebsocket import handshake
-from mod_pywebsocket.handshake.hybi import compute_accept
-
-
-def web_socket_do_extra_handshake(request):
-    resources = request.ws_resource.split('?', 1)
-    parameters = None
-    if len(resources) == 2:
-        parameters = urllib.unquote(resources[1])
-
-    message = 'HTTP/1.1 101 Switching Protocols\r\n'
-    message += 'Upgrade: websocket\r\n'
-    message += 'Connection: Upgrade\r\n'
-    message += 'Sec-WebSocket-Accept: %s\r\n' % compute_accept(request.headers_in['Sec-WebSocket-Key'])[0]
-    message += 'Sec-WebSocket-Extensions: x-webkit-deflate-frame'
-    if parameters:
-        message += '; %s\r\n' % parameters
-    else:
-        message += '\r\n'
-    message += '\r\n'
-    request.connection.write(message)
-    # Prevents pywebsocket from sending its own handshake message.
-    raise handshake.AbortedByUserException('Abort the connection')
-
-
-def web_socket_transfer_data(request):
-    pass