Remove "HAVE_TRANSFLECTIVE_LCD" from iPod 6G config

The screen content is only poorly visible without backlight, it's not
really usable this way.
Removing HAVE_TRANSFLECTIVE_LCD also fixes the "flashing screen"
issue that appeared on some models when "lcd_awake()" is called.

Change-Id: I3ba954c944077a32016820462f782dc27a31f8d8
1 file changed