[Tests] Fix nvm unload fast test cleanup

"b/test/fast/Running \"nvm unload\" should unset all function and variables."

diff --git "a/test/fast/Running \"nvm unload\" should unset all function and variables." "b/test/fast/Running \"nvm unload\" should unset all function and variables."
index 516c4f0..e7fb706 100755
--- "a/test/fast/Running \"nvm unload\" should unset all function and variables."
+++ "b/test/fast/Running \"nvm unload\" should unset all function and variables."
@@ -5,7 +5,7 @@
 BEFORE="./before.tmp"
 AFTER="./after.tmp"
 
-cleanup () { echo rm -f "${BEFORE}" "${AFTER}"; }
+cleanup () { rm -f "${BEFORE}" "${AFTER}"; }
 die () { echo "$@" ; cleanup ; exit 1; }
 
 typeset -f | awk '/ \(\) $/ && !/^main / {print $1}' > "${BEFORE}"