mips: bmips: remove unneeded definitions

These are no longer needed.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
diff --git a/include/configs/bmips_common.h b/include/configs/bmips_common.h
index 788f4af..ca079fa 100644
--- a/include/configs/bmips_common.h
+++ b/include/configs/bmips_common.h
@@ -14,10 +14,6 @@
 #define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200, \
 					  230400, 500000, 1500000 }
 
-/* RAM */
-#define CONFIG_SYS_MEMTEST_START	0xa0000000
-#define CONFIG_SYS_MEMTEST_END		0xa2000000
-
 /* Memory usage */
 #define CONFIG_SYS_MAXARGS		24
 #define CONFIG_SYS_MALLOC_LEN		(2 * 1024 * 1024)