ROSE: Remove unused code and clean up some inconsistent indenting

Eliminate the follow smatch warning:

net/rose/rose_route.c:1136 rose_node_show() warn: inconsistent
indenting.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220507034207.18651-1-jiapeng.chong@linux.alibaba.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

net/rose/rose_route.c

@@ -1128,22 +1128,15 @@ static int rose_node_show(struct seq_file *seq, void *v)
 		seq_puts(seq, "address    mask n neigh neigh neigh\n");
 	else {
 		const struct rose_node *rose_node = v;
-		/* if (rose_node->loopback) {
-			seq_printf(seq, "%-10s %04d 1 loopback\n",
-				   rose2asc(rsbuf, &rose_node->address),
-				   rose_node->mask);
-		} else { */
-			seq_printf(seq, "%-10s %04d %d",
-				   rose2asc(rsbuf, &rose_node->address),
-				   rose_node->mask,
-				   rose_node->count);
-
-			for (i = 0; i < rose_node->count; i++)
-				seq_printf(seq, " %05d",
-					rose_node->neighbour[i]->number);
-
-			seq_puts(seq, "\n");
-		/* } */
+		seq_printf(seq, "%-10s %04d %d",
+			   rose2asc(rsbuf, &rose_node->address),
+			   rose_node->mask,
+			   rose_node->count);
+
+		for (i = 0; i < rose_node->count; i++)
+			seq_printf(seq, " %05d", rose_node->neighbour[i]->number);
+
+		seq_puts(seq, "\n");
 	}
 	return 0;
 }