e1000e: Remove unneeded checks
The caller, ethtool_set_eeprom(), already performs the same checks so
these are unnecessary in the driver. This reverts commit
90fb7db49c6d ("e1000e: fix heap overflow in e1000_set_eeprom"), however,
corrections for RCT have been kept.
Link: https://lore.kernel.org/all/db92fcc8-114d-4e85-9d15-7860545bc65e@suse.de/
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://patch.msgid.link/20251125223632.1857532-7-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>