Revert "Fix error with select when python process exceeds 1024 open f…

…ile descriptors (#676)" (#685)

This reverts commit 57fbbe1.

pychromecast/socket_client.py

@@ -565,15 +565,8 @@ def run_once(self, timeout=POLL_TIME_NON_BLOCKING):
 
         # poll the socket, as well as the socketpair to allow us to be interrupted
         rlist = [self.socket, self.socketpair[0]]
-        # Map file descriptors to socket objects because select.select does not support fd > 1024
-        # https://stackoverflow.com/questions/14250751/how-to-increase-filedescriptors-range-in-python-select
-        fd_to_socket = {rlist_item.fileno(): rlist_item for rlist_item in rlist}
         try:
-            poll_obj = select.poll()
-            for poll_fd in rlist:
-                poll_obj.register(poll_fd, select.POLLIN)
-            poll_result = poll_obj.poll(timeout)
-            can_read = [fd_to_socket[fd] for fd, _status in poll_result]
+            can_read, _, _ = select.select(rlist, [], [], timeout)
         except (ValueError, OSError) as exc:
             self.logger.error(
                 "[%s(%s):%s] Error in select call: %s",