Revert "Move: bit madness"

This reverts commit afa80ac597.

Only made a 3% memory decrease, Most memory is used in the children Vec

src/elo.rs

@@ -29,7 +29,7 @@ pub fn run() {
         children_eval_method: ChildrenEvalMethod::AverageDivDepth,
     };
 
-    let configs = [4, 6, 7]
+    let configs = [6]
         .into_iter()
         .map(move |d| FutureMoveConfig {
             max_depth: d,
@@ -41,9 +41,9 @@ pub fn run() {
         })
         .filter(move |move_c| {
             if move_c.do_prune {
-                move_c.max_depth >= 7
+                move_c.max_depth >= 8
             } else {
-                move_c.max_depth < 7
+                move_c.max_depth < 8
             }
         })
         // .flat_map(move |prev_c| {