Re-format and re-run all acceptance tests.

examples/acceptance_tests/053/lib/tests.ak

@@ -5,15 +5,12 @@ pub type LinkedList<a> {
 
 pub fn size(t: LinkedList<alg>) -> Int {
   when t is {
-    Empty ->
-      0
-    Node(_, tail) ->
-      1 + size(tail)
+    Empty -> 0
+    Node(_, tail) -> 1 + size(tail)
   }
 }
 
 test foo() {
-  let xs =
-    Node(0, Node(1, Node(2, Empty)))
+  let xs = Node(0, Node(1, Node(2, Empty)))
   size(xs) == 3
 }