staging: rtl8188eu: Remove declarations of unused functions

Remove the declarations of the following unused functions from
rtw_eeprom.h:
- eeprom_write16
- eeprom_read16
- eeprom_read_sz
- read_eeprom_content
- read_eeprom_content_by_attrib.
Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/include/rtw_eeprom.h

@@ -111,10 +111,4 @@ struct eeprom_priv {
 	u8		efuse_eeprom_data[HWSET_MAX_SIZE_512];
 };
 
-void eeprom_write16(struct adapter *padapter, u16 reg, u16 data);
-u16 eeprom_read16(struct adapter *padapter, u16 reg);
-void read_eeprom_content(struct adapter *padapter);
-void eeprom_read_sz(struct adapter *adapt, u16 reg, u8 *data, u32 sz);
-void read_eeprom_content_by_attrib(struct adapter *padapter);
-
 #endif  /* __RTL871X_EEPROM_H__ */