be: Remove the now unused function be_pre_transform_node().

ir/be/betranshlp.c

@@ -234,14 +234,6 @@ static void fix_loops(ir_node *node)
 	}
 }
 
-ir_node *be_pre_transform_node(ir_node *place)
-{
-	if (place == NULL)
-		return NULL;
-
-	return be_transform_node(place);
-}
-
 /**
  * Transforms all nodes. Deletes the old obstack and creates a new one.
  */

ir/be/betranshlp.h

@@ -27,9 +27,6 @@ typedef void (arch_pretrans_nodes)(ir_graph*);
  */
 typedef ir_node *(be_transform_func)(ir_node *node);
 
-/** pre-transform a node */
-ir_node *be_pre_transform_node(ir_node *place);
-
 /**
  * Calls transformation function for given node and marks it visited.
  */