maint: tests/cut/cut-huge-range.sh: remove stale comment

* tests/cut/cut-huge-range.sh: expr supports bignums,
so remove stale comment relating to previous non expr adjustment.

diff --git a/tests/cut/cut-huge-range.sh b/tests/cut/cut-huge-range.sh
index 3e7f8122cee794df67410518c6492729a722e552..4bd1b129d8a99a0d8dbad89c0c0883c114eb734a 100755 (executable)
--- a/tests/cut/cut-huge-range.sh
+++ b/tests/cut/cut-huge-range.sh
@@ -24,8 +24,6 @@ vm=$(get_min_ulimit_v_ returns_ 0 cut -b1 /dev/null) \
   || skip_ 'shell lacks ulimit, or ASAN enabled'
 
 # Ensure we can cut up to our sentinel value.
-# Don't use expr to subtract one,
-# since UINTMAX_MAX may exceed its maximum value.
 CUT_MAX=$(expr $UINTMAX_MAX - 1) || framework_failure_
 
 # From coreutils-8.10 through 8.20, this would make cut try to allocate