video: fbdev: via: Fix set but not used warning for mode_crt_table

Fix warning by deleting the variable. The function call
viafb_get_best_mode() was verified to have no side-effects,
and thus could be dropped too.

v2:
- Update subject (Lee)

Signed-off-by: Sam Ravnborg <[e-mail]>
Acked-by: Thomas Zimmermann <[e-mail]>
Cc: Florian Tobias Schandinat <[e-mail]>
Cc: [e-mail]
Cc: Lee Jones <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/video/fbdev/via/lcd.c

···
 	u32 clock;
 	struct via_display_timing timing;
 	struct fb_var_screeninfo panel_var;
-	const struct fb_videomode *mode_crt_table, *panel_crt_table;
+	const struct fb_videomode *panel_crt_table;
 
 	DEBUG_MSG(KERN_INFO "viafb_lcd_set_mode!!\n");
-	/* Get mode table */
-	mode_crt_table = viafb_get_best_mode(set_hres, set_vres, 60);
 	/* Get panel table Pointer */
 	panel_crt_table = viafb_get_best_mode(panel_hres, panel_vres, 60);
 	viafb_fill_var_timing_info(&panel_var, panel_crt_table);