style: auto-format example files with lux fmt

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

examples/test_fbip_allocs.lux

@@ -1,17 +1,8 @@
-// This test shows FBIP optimization by comparing allocation counts
-// With FBIP (rc=1): lists are reused in-place
-// Without FBIP (rc>1): new lists are allocated
-
 fn main(): Unit = {
     Console.print("=== FBIP Allocation Test ===")
-    
-    // Case 1: Single owner (FBIP active) - should reuse list
     let a = List.range(1, 100)
     let b = List.map(a, fn(x: Int): Int => x * 2)
     let c = List.filter(b, fn(x: Int): Bool => x > 50)
     let d = List.reverse(c)
     Console.print("Single owner chain done")
-    
-    // The allocation count will show FBIP is working
-    // if allocations are low relative to operations performed
 }