Remove ZB and ZiB from file size type (#9427)

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This PR removes ZB and ZiB from file size type, as they 
were showing incorrect values due to an integer overflow.

Fixes: #9337
# User-Facing Changes
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crates/nu-utils/src/sample_config/default_config.nu

@@ -283,7 +283,7 @@ let-env config = {
   }
   filesize: {
     metric: true # true => KB, MB, GB (ISO standard), false => KiB, MiB, GiB (Windows standard)
-    format: "auto" # b, kb, kib, mb, mib, gb, gib, tb, tib, pb, pib, eb, eib, zb, zib, auto
+    format: "auto" # b, kb, kib, mb, mib, gb, gib, tb, tib, pb, pib, eb, eib, auto
   }
   cursor_shape: {
     emacs: line # block, underscore, line, blink_block, blink_underscore, blink_line (line is the default)