bnxt_en: Remove jumbo_remove step from TX path

bnxt_en: Remove jumbo_remove step from TX path

Now that the kernel doesn't insert HBH for BIG TCP IPv6 packets, remove
unnecessary steps from the bnxt_en TX path, that used to check and
remove HBH.

Signed-off-by: Alice Mikityanska <alice@isovalent.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Link: https://patch.msgid.link/20260205133925.526371-9-alice.kernel@fastmail.im
Signed-off-by: Jakub Kicinski <kuba@kernel.org>