Revert "net: sched: update default qdisc visibility after Tx queue cnt changes"

This reverts commit aa90302e which is
commit 1e080f17750d1083e8a32f7b350584ae1cd7ff20 upstream.

It breaks the current kernel abi and is not necessary for Android
systems, so it can be safely reverted.

Bug: 161946584
Fixes: 31df731c8705 ("net: sched: update default qdisc visibility after Tx queue cnt changes")
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I9844bcc7deae772026e0dc7b1265b39e392342ec