MIPS: board.c: remove manual relocation of env_name_spec

Remove the manual relocation of env_name_spec. This has been missed
in the previous patch series for introducing dynamic relocation
on MIPS.
Signed-off-by: NDaniel Schwierzeck <daniel.schwierzeck@gmail.com>

arch/mips/lib/board.c

@@ -249,9 +249,6 @@ void board_init_r(gd_t *id, ulong dest_addr)
 {
 #ifndef CONFIG_SYS_NO_FLASH
 	ulong size;
-#endif
-#ifndef CONFIG_ENV_IS_NOWHERE
-	extern char *env_name_spec;
 #endif
 	bd_t *bd;
 
@@ -266,11 +263,6 @@ void board_init_r(gd_t *id, ulong dest_addr)
 
 	serial_initialize();
 
-	/* there are some other pointer constants we must deal with */
-#ifndef CONFIG_ENV_IS_NOWHERE
-	env_name_spec += gd->reloc_off;
-#endif
-
 	bd = gd->bd;
 
 	/* The Malloc area is immediately below the monitor copy in DRAM */