rtl8188eu: Remove dead code for DM_ODM_SUPPORT_TYPE - Part 1

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
rtl8188eu: Remove remainder of code that depends on DM_ODM_SUPPORT_TYPE

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
rtl8188eu: Remove code for chips other than RTL8188EU

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