Restrict tests to Arduino FF only and remove unused symbol

Author: mprse

TESTS/mbed_hal_fpga_ci_test_shield/spi_master/main.cpp

@@ -16,13 +16,12 @@
  * limitations under the License.
  */
 
-/* The test is designed to verify new SPI HAL API. Please enable the test manually. */
-#define TEST_ENABLED 0
-
 #if !DEVICE_SPI
 #error [NOT_SUPPORTED] SPI not supported for this target
 #elif !COMPONENT_FPGA_CI_TEST_SHIELD
 #error [NOT_SUPPORTED] FPGA CI Test Shield is needed to run this test
+#elif !TARGET_FF_ARDUINO
+#error [NOT_SUPPORTED] Test not supported for this form factor
 #else
 
 #include "utest/utest.h"

TESTS/mbed_hal_fpga_ci_test_shield/spi_slave/main.cpp

@@ -15,13 +15,12 @@
  * limitations under the License.
  */
 
-/* The test is designed to verify new SPI HAL API. Please enable the test manually. */
-#define TEST_ENABLED 0
-
 #if !DEVICE_SPI
 #error [NOT_SUPPORTED] SPI not supported for this target
 #elif !COMPONENT_FPGA_CI_TEST_SHIELD
 #error [NOT_SUPPORTED] FPGA CI Test Shield is needed to run this test
+#elif !TARGET_FF_ARDUINO
+#error [NOT_SUPPORTED] Test not supported for this form factor
 #else
 
 #include "utest/utest.h"