Enable MBEDTLS_PSA_CRYPTO_SE_C in config full

It started out as be experimental, but it is now robust enough not to
break the rest, so there's no reason to leave it out.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/tests/scripts/basic-build-test.sh b/tests/scripts/basic-build-test.sh
index aca2f11..5080c57 100755
--- a/tests/scripts/basic-build-test.sh
+++ b/tests/scripts/basic-build-test.sh
@@ -68,10 +68,9 @@
 make clean
 cp "$CONFIG_H" "$CONFIG_BAK"
 scripts/config.py full
-# Enable some deprecated or experimental features that are not in the
+# Enable some deprecated features that are not in the
 # full config, but are compatible with it and have tests.
 scripts/config.py set MBEDTLS_SSL_PROTO_SSL3
-scripts/config.py set MBEDTLS_PSA_CRYPTO_SE_C
 make -j