test: remove leftover paragraph in test_psa_crypto_config_accel_ecc_ecp_light_only

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 7fd4197..c1e2b9f 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -2363,10 +2363,6 @@
     # Use the same config as reference, only without built-in EC algs
     config_psa_crypto_config_ecp_ligh_only 1
 
-    # Temporary hack to enable MBEDTLS_ECP_LIGHT
-    # (will soon be auto-enabled in build_info.h)
-    echo '#define MBEDTLS_ECP_LIGHT' >> include/mbedtls/mbedtls_config.h
-
     # Build
     # -----