e1000e: Revert "e1000e: Make watchdog use delayed work"

[ Upstream commit d5ad7a6a ]

This reverts commit 59653e64

.

This is due to this commit causing driver crashes and connections to
reset unexpectedly.

Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>