Remove `MBEDTLS_KEY_EXCHANGE_RSA_ENABLED` config option

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
diff --git a/tests/include/test/ssl_helpers.h b/tests/include/test/ssl_helpers.h
index ef4927f..3ba314f 100644
--- a/tests/include/test/ssl_helpers.h
+++ b/tests/include/test/ssl_helpers.h
@@ -66,8 +66,7 @@
 
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
 
-#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||  \
-    defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED)
+#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED)
 #define MBEDTLS_CAN_HANDLE_RSA_TEST_KEY
 #endif
 
diff --git a/tests/scripts/components-configuration-crypto.sh b/tests/scripts/components-configuration-crypto.sh
index 8ba4161..3d58895 100644
--- a/tests/scripts/components-configuration-crypto.sh
+++ b/tests/scripts/components-configuration-crypto.sh
@@ -1165,7 +1165,6 @@
     scripts/config.py unset MBEDTLS_PKCS1_V21
     scripts/config.py unset MBEDTLS_X509_RSASSA_PSS_SUPPORT
     # Also disable key exchanges that depend on RSA
-    scripts/config.py unset MBEDTLS_KEY_EXCHANGE_RSA_ENABLED
     scripts/config.py unset MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED
     scripts/config.py unset MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED
 
@@ -1525,7 +1524,6 @@
     scripts/config.py unset MBEDTLS_PKCS1_V21
     scripts/config.py unset MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED
     scripts/config.py unset MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED
-    scripts/config.py unset MBEDTLS_KEY_EXCHANGE_RSA_ENABLED
     scripts/config.py unset MBEDTLS_RSA_C
     scripts/config.py unset MBEDTLS_X509_RSASSA_PSS_SUPPORT
 
diff --git a/tests/scripts/depends.py b/tests/scripts/depends.py
index a08ede5..816d2de 100755
--- a/tests/scripts/depends.py
+++ b/tests/scripts/depends.py
@@ -315,7 +315,6 @@
                           'PSA_WANT_ALG_RSA_OAEP',
                           'PSA_WANT_ALG_RSA_PSS'],
     'MBEDTLS_PKCS1_V15': ['MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED',
-                          'MBEDTLS_KEY_EXCHANGE_RSA_ENABLED',
                           'PSA_WANT_ALG_RSA_PKCS1V15_CRYPT',
                           'PSA_WANT_ALG_RSA_PKCS1V15_SIGN'],
     'MBEDTLS_RSA_C': ['MBEDTLS_PKCS1_V15',
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index 6a5e760..7692017 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -311,8 +311,7 @@
     SKIP_NEXT="YES"
 }
 
-TLS1_2_KEY_EXCHANGES_WITH_CERT="MBEDTLS_KEY_EXCHANGE_RSA_ENABLED \
-                                MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED \
+TLS1_2_KEY_EXCHANGES_WITH_CERT="MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED \
                                 MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED \
                                 MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED \
                                 MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED"
@@ -320,9 +319,8 @@
 TLS1_2_KEY_EXCHANGES_WITH_ECDSA_CERT="MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED \
                                       MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED"
 
-TLS1_2_KEY_EXCHANGES_WITH_CERT_WO_ECDH="MBEDTLS_KEY_EXCHANGE_RSA_ENABLED \
-                                       MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED \
-                                       MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED"
+TLS1_2_KEY_EXCHANGES_WITH_CERT_WO_ECDH="MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED \
+                                        MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED"
 
 requires_certificate_authentication () {
     if is_config_enabled MBEDTLS_SSL_PROTO_TLS1_3