Revert "done cat"

This reverts commit 9e3b244.

Author: Droid-An

individual-shell-tools/cat/script-01.sh

@@ -4,4 +4,3 @@ set -euo pipefail
 
 # TODO: Write a command to output the contents of the helper-1.txt file inside the helper-files directory to the terminal.
 # The output of this command should be "Once upon a time...".
-cat ../ls/child-directory/helper-1.txt

individual-shell-tools/cat/script-02.sh

@@ -11,4 +11,3 @@ set -euo pipefail
 # It looked delicious.
 # I was tempted to take a bite of it.
 # But this seemed like a bad idea...
-cat ../ls/child-directory/*.txt

individual-shell-tools/cat/script-03.sh

@@ -9,4 +9,3 @@ set -euo pipefail
 # 1 It looked delicious.
 # 2 I was tempted to take a bite of it.
 # 3 But this seemed like a bad idea...
-cat -n ../ls/child-directory/helper-3.txt

individual-shell-tools/cat/script-04-stretch.sh

@@ -13,4 +13,3 @@ set -euo pipefail
 # 3 It looked delicious.
 # 4 I was tempted to take a bite of it.
 # 5 But this seemed like a bad idea...
-# cat -n ../ls/child-directory/*    <<------  not working