video: da8xx-fb: remove unwanted define

Remove unwanted define "WSI_TIMEOUT" present in code.
Signed-off-by: NManish Badarkhe <badarkhe.manish@gmail.com>
Signed-off-by: NTomi Valkeinen <tomi.valkeinen@ti.com>

drivers/video/da8xx-fb.c

@@ -129,7 +129,6 @@
 
 #define LCD_NUM_BUFFERS	2
 
-#define WSI_TIMEOUT	50
 #define PALETTE_SIZE	256
 
 #define	CLK_MIN_DIV	2