staging:r8188eu: remove software_decrypt member of registry_priv struct

Value of this variable has no changes, and used once.
Replace software_decrypt with its value.
Signed-off-by: Ivan Safonov <insafonov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/include/drv_types.h

@@ -66,7 +66,6 @@ struct registry_priv {
 	u8	smart_ps;
 	u8	mp_mode;
 	u8	software_encrypt;
-	u8	software_decrypt;
 	u8	acm_method;
 	  /* UAPSD */
 	u8	wmm_enable;

drivers/staging/rtl8188eu/os_dep/os_intfs.c

@@ -166,7 +166,6 @@ static void loadparam(struct adapter *padapter, struct net_device *pnetdev)
 	registry_par->ips_mode = (u8)rtw_ips_mode;
 	registry_par->mp_mode = 0;
 	registry_par->software_encrypt = (u8)rtw_software_encrypt;
-	registry_par->software_decrypt = 0;
 	registry_par->acm_method = (u8)rtw_acm_method;
 
 	 /* UAPSD */
@@ -393,7 +392,7 @@ static u8 rtw_init_default_value(struct adapter *padapter)
 	/* security_priv */
 	psecuritypriv->binstallGrpkey = _FAIL;
 	psecuritypriv->sw_encrypt = pregistrypriv->software_encrypt;
-	psecuritypriv->sw_decrypt = pregistrypriv->software_decrypt;
+	psecuritypriv->sw_decrypt = 0;
 	psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
 	psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
 	psecuritypriv->dot11PrivacyKeyIndex = 0;