ethtool: cmis_cdb: Remove unused declaration ethtool_cmis_page_fini()

ethtool_cmis_page_fini() is declared but never implemented.
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Link: https://patch.msgid.link/20240803112213.4044015-1-yuehaibing@huawei.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

net/ethtool/cmis.h

@@ -108,7 +108,6 @@ void ethtool_cmis_cdb_check_completion_flag(u8 cmis_rev, u8 *flags);
 
 void ethtool_cmis_page_init(struct ethtool_module_eeprom *page_data,
 			    u8 page, u32 offset, u32 length);
-void ethtool_cmis_page_fini(struct ethtool_module_eeprom *page_data);
 
 struct ethtool_cmis_cdb *
 ethtool_cmis_cdb_init(struct net_device *dev,