stage2+stage1: remove type parameter from bit builtins

Closes #12529
Closes #12511
Closes #6835

lib/std/priority_dequeue.zig

@@ -69,7 +69,7 @@ pub fn PriorityDequeue(comptime T: type, comptime Context: type, comptime compar
             // The first element is on a min layer;
             // next two are on a max layer;
             // next four are on a min layer, and so on.
-            const leading_zeros = @clz(usize, index + 1);
+            const leading_zeros = @clz(index + 1);
             const highest_set_bit = @bitSizeOf(usize) - 1 - leading_zeros;
             return (highest_set_bit & 1) == 0;
         }