[MIPS] Alchemy: Remove code wrapped by dead symbol CONFIG_FB_XPERT98

Noticed by Robert P. J. Day (rpjday@mindspring.com).
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/au1000/common/setup.c

@@ -103,12 +103,6 @@ void __init plat_mem_setup(void)
     }
 #endif
 
-#ifdef CONFIG_FB_XPERT98
-	if ((argptr = strstr(argptr, "video=")) == NULL) {
-		argptr = prom_getcmdline();
-		strcat(argptr, " video=atyfb:1024x768-8@70");
-	}
-#endif
 
 #if defined(CONFIG_SOUND_AU1X00) && !defined(CONFIG_SOC_AU1000)
 	/* au1000 does not support vra, au1500 and au1100 do */