Revert "net: hns3: fix GRE checksum offload issue"

driver inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I7YRUW


CVE: NA

----------------------------------------------------------------------

This reverts commit df924f69.

Signed-off-by: Jiantao Xiao <xiaojiantao1@h-partners.com>