Remove MBEDTLS_RSA_C from depends.py

Signed-off-by: Ben Taylor <ben.taylor@linaro.org>
diff --git a/tests/scripts/depends.py b/tests/scripts/depends.py
index 34ecf4c..ad78c26 100755
--- a/tests/scripts/depends.py
+++ b/tests/scripts/depends.py
@@ -310,8 +310,7 @@
         'PSA_WANT_KEY_TYPE_RSA_PUBLIC_KEY',
         'PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_IMPORT',
         'PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_EXPORT',
-        'PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE',
-        'MBEDTLS_RSA_C'],
+        'PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE'],
 
     'PSA_WANT_ALG_SHA_224': ['MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED',
                              'MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_IF_PRESENT',