microblaze: drop CONFIG_SYS_INIT_RAM_ADDR and CONFIG_SYS_INIT_RAM_SIZE

These macros are not used anymore in microblaze code since commit
f113d7d303467 ("Convert CONFIG_SPL_STACK to Kconfig"), so remove them.

Fixes: f113d7d303467 ("Convert CONFIG_SPL_STACK to Kconfig")
Signed-off-by: Ovidiu Panait <ovpanait@gmail.com>
Link: https://lore.kernel.org/r/20220829170205.1274484-1-ovpanait@gmail.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
diff --git a/include/configs/microblaze-generic.h b/include/configs/microblaze-generic.h
index 8eaac4f8..dfae8ce 100644
--- a/include/configs/microblaze-generic.h
+++ b/include/configs/microblaze-generic.h
@@ -97,10 +97,4 @@
 
 #define CONFIG_SYS_UBOOT_BASE		CONFIG_SYS_TEXT_BASE
 
-/* SP location before relocation, must use scratch RAM */
-/* BRAM start */
-#define CONFIG_SYS_INIT_RAM_ADDR	0x0
-/* BRAM size - will be generated */
-#define CONFIG_SYS_INIT_RAM_SIZE	0x100000
-
 #endif	/* __CONFIG_H */