Replace built-in shell array quoting with printf %q

test/support/test_helper.sh

@@ -32,20 +32,6 @@ verboseGitCommands() {
   unset -f git
 }
 
-# Quote the contents of "$@" in single quotes
-# Avoid printf '%q' as  'a b'  becomes  a\ b  in both {ba,z}sh
-# See also quote_args and double_quote
-function token_quote {
-  if [[ $shell = bash ]]; then
-    # Single quotes are always added
-    echo "${@@Q}"
-  else  # zsh
-    # Single quotes only added when needed
-    #shellcheck disable=2154  # zsh
-    echo "${(qq)@}"
-  fi
-}
-
 
 # Asserts
 #-----------------------------------------------------------------------------