image: Remove unused NEEDS_MANUAL_RELOC code bits

The last user of the NEEDS_MANUAL_RELOC has been removed in commit
26af162ac8f8 ("arch: m68k: Implement relocation")
Remove now unused NEEDS_MANUAL_RELOC code.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
diff --git a/boot/image.c b/boot/image.c
index 5c4f9b8..26f68d4 100644
--- a/boot/image.c
+++ b/boot/image.c
@@ -571,7 +571,7 @@
 	entry = get_table_entry(table_info[category].table, id);
 	if (!entry)
 		return unknown_msg(category);
-	return manual_reloc(entry->lname);
+	return entry->lname;
 }
 
 /**
@@ -591,7 +591,7 @@
 	entry = get_table_entry(table_info[category].table, id);
 	if (!entry)
 		return unknown_msg(category);
-	return manual_reloc(entry->sname);
+	return entry->sname;
 }
 
 int genimg_get_cat_count(enum ih_category category)
@@ -641,7 +641,7 @@
 	table = get_table_entry(table, id);
 	if (!table)
 		return msg;
-	return manual_reloc(table->lname);
+	return table->lname;
 }
 
 const char *genimg_get_os_name(uint8_t os)
@@ -676,7 +676,7 @@
 	table = get_table_entry(table, val);
 	if (!table)
 		return "unknown";
-	return manual_reloc(table->sname);
+	return table->sname;
 }
 
 const char *genimg_get_type_short_name(uint8_t type)
@@ -719,7 +719,7 @@
 	const table_entry_t *t;
 
 	for (t = table; t->id >= 0; ++t) {
-		if (t->sname && !strcasecmp(manual_reloc(t->sname), name))
+		if (t->sname && !strcasecmp(t->sname, name))
 			return t->id;
 	}
 	debug("Invalid %s Type: %s\n", table_name, name);