net: thunder_bgx: Don't disable PCI device manually

thunder_bgx's PCI device is enabled with pcim_enable_device(), a managed
devres function which ensures that the device gets enabled on driver
detach automatically.

Remove the calls to pci_disable_device().

Signed-off-by: Philipp Stanner <phasta@kernel.org>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20250425085740.65304-10-phasta@kernel.org


Signed-off-by: Jakub Kicinski <kuba@kernel.org>