Revert "net/mlx5e: fix double free of encap_header in update funcs"

[ Upstream commit 66ca8d4d ]

This reverts commit 3a4aa3cb.

This patch is causing a null ptr issue, the proper fix is in the next
patch.

Fixes: 3a4aa3cb

 ("net/mlx5e: fix double free of encap_header in update funcs")
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>