be: Do not put mode in node title

The node is usually less interesting for backend nodes, so it is enough
to have it in the detail attributes.

ir/be/TEMPLATE/TEMPLATE_new_nodes.c

@@ -34,7 +34,6 @@ void TEMPLATE_dump_node(FILE *F, const ir_node *n, dump_reason_t reason)
 		break;
 
 	case dump_node_mode_txt:
-		fprintf(F, "[%s]", get_mode_name(get_irn_mode(n)));
 		break;
 
 	case dump_node_nodeattr_txt:

ir/be/amd64/amd64_new_nodes.c

@@ -105,7 +105,6 @@ void amd64_dump_node(FILE *F, const ir_node *n, dump_reason_t reason)
 		break;
 
 	case dump_node_mode_txt:
-		fprintf(F, "[%s]", get_mode_name(get_irn_mode(n)));
 		break;
 
 	case dump_node_nodeattr_txt:

ir/be/ia32/ia32_new_nodes.c

@@ -155,12 +155,8 @@ void ia32_dump_node(FILE *F, const ir_node *n, dump_reason_t reason)
 			}
 			break;
 
-		case dump_node_mode_txt: {
-			ir_mode *const mode = get_ia32_ls_mode(n);
-			if (mode)
-				fprintf(F, "[%s]", get_mode_name(mode));
+		case dump_node_mode_txt:
 			break;
-		}
 
 		case dump_node_nodeattr_txt:
 			if (! is_ia32_Lea(n)) {