Remove tab-related text

tests/snapshots/output/header_numbers.snapshot.txt

@@ -21,17 +21,3 @@
   20 fn perimeter(rectangle: &Rectangle) -> u32 {
   21     (rectangle.width + rectangle.height) * 2
   22 }
-  23 
-  24 // Tab alignment:
-  25 /*
-  26         Indent
-  27         1       2       3       4
-  28 1       ?
-  29 22      ?
-  30 333     ?
-  31 4444    ?
-  32 55555   ?
-  33 666666  ?
-  34 7777777 ?
-  35 88888888        ?
-  36 */