kallsyms: remove left-over Blackfin code

These symbols were added by commit 028f0426 ("kallsyms: support
kernel symbols in Blackfin on-chip memory") for Blackfin.

The Blackfin support was removed by commit 4ba66a97 ("arch: remove
blackfin port").
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

scripts/kallsyms.c

@@ -48,8 +48,6 @@ static unsigned long long relative_base;
 static struct addr_range text_ranges[] = {
 	{ "_stext",     "_etext"     },
 	{ "_sinittext", "_einittext" },
-	{ "_stext_l1",  "_etext_l1"  },	/* Blackfin on-chip L1 inst SRAM */
-	{ "_stext_l2",  "_etext_l2"  },	/* Blackfin on-chip L2 SRAM */
 };
 #define text_range_text     (&text_ranges[0])
 #define text_range_inittext (&text_ranges[1])