rtl8188eu: Remove dead code for CONFIG_USE_USB_BUFFER_ALLOC_RX and remove CONFIG_TX_MCAST2UNI lines

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
rtl8188eu: Remove CONFIG_USE_USB_BUFFER_ALLOC_TX

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
rtl8188eu: Remove CONFIG_TCP_CSUM_OFFLOAD_RX

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
rtl8188eu: Remove CONFIG_HOSTAPD_MLME

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
rtl8188eu: Remove CONFIG_LAYER2_ROAMING_RESUME

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
rtl8188eu: Remove CONFIG_LAYER2_ROAMING_RESUME

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
rtl8188eu: Remove CONFIG_LONG_DELAY_ISSUE

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
rtl8188eu: Remove configuration variables CONFIG_IOL_XXX and associated dead code

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
rtl8188eu: Remove ANTENNA DIVERSITY configuration variables and dead code

These changes include the following:
1. CONFIG_SW_ANTENNA_DIVERSITY - not selected
2. CONFIG_HW_ANTENNA_DIVERSITY - selected
3. CONFIG_ANTENNA_DIVERSITY - selected

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
rtl8188eu: Remove configuration variable DM_ODM_SUPPORT_TYPE and associated dead code

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>