Graphviz: reorganize

graphviz/functions/gen_type.dot

@@ -1,24 +0,0 @@
-digraph fn_gen_type {
-  rankdir=TB;
-  labelloc="t";
-  graph [fontname = "cc wild words"];
-  node [fontname = "cc wild words"];
-  edge [fontname = "cc wild words"];
-
-    label="fn_gen_type(GazType)";
-    fontname=lovebeat;
-    rankdir=TB;
-    newrank=true;
-
-    A [label="expr for type"];
-    B [label="literal"];
-    C [label="variable"];
-    D [label="subroutine"];
-    F [label="return" style=filled fillcolor=lightskyblue1];
-
-    A -> A [dir=back];
-    A -> B -> A;
-    A -> C -> A;
-    A -> D -> A;
-    A -> F;
-}