fix(ci): drop apply_tftf_patch()

Only apply_tfa_patch() is in use and no other repositories get patches.
Tftf has never had any either. So remove this to simplify.

Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
Change-Id: I56ece7e83f518728097f7f2f67d8eded567ff2f5
diff --git a/script/run_package.sh b/script/run_package.sh
index c0a1f8e..7827e76 100755
--- a/script/run_package.sh
+++ b/script/run_package.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 #
-# Copyright (c) 2019-2022, Arm Limited. All rights reserved.
+# Copyright (c) 2019-2025, Arm Limited. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #