all.sh: keep CTR_DRBG enabled in test_psa_crypto_config_accel_cipher_aead()

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 462597b..3e4baa7 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -3729,7 +3729,6 @@
     scripts/config.py unset MBEDTLS_PKCS5_C
     scripts/config.py unset MBEDTLS_PKCS12_C
 
-    scripts/config.py unset MBEDTLS_CTR_DRBG_C
     scripts/config.py unset MBEDTLS_NIST_KW_C
 }