Undo not-needed change

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 4065e71..1bae7f9 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -3741,7 +3741,7 @@
 
 # Preliminary setup
 pre_check_environment
-pre_initialize_variables "$@"
+pre_initialize_variables
 pre_parse_command_line "$@"
 
 setup_quiet_wrappers