Update paths after moving some scripts to the framework

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>

scripts/audit-validity-dates.py

@@ -28,7 +28,6 @@ from cryptography import x509
 
 from generate_test_code import FileWrapper
 
-import scripts_path # pylint: disable=unused-import
 from mbedtls_framework import build_tree
 from mbedtls_framework import logging_util
 

tests/programs/metatest.c

@@ -16,7 +16,7 @@
  * Asan or Valgrind to detect memory leaks. This is reflected by the
  * "platform" associated with each meta-test.
  *
- * Use the companion script `tests/scripts/run-metatests.sh` to run all
+ * Use the companion script `framework/scripts/run-metatests.sh` to run all
  * the meta-tests for a given platform and validate that they trigger a
  * detected failure as expected.
  */