Revert "net/mlx5e: fix double free of encap_header"

[ Upstream commit 5d089684dc434a31e08d32f0530066d0025c52e4 ]

This reverts commit 6f9b1a0731662648949a1c0587f6acb3b7f8acf1.

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

Fixes: 6f9b1a073166 ("net/mlx5e: fix double free of encap_header")
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>