tests/cpu_efm32_features: remove EFM32_UART_MODES

tests/cpu_efm32_features/Makefile

@@ -11,7 +11,6 @@ BOARD_WHITELIST := ikea-tradfri \
                    stk3700
 
 # see cpu/efm32/efm32-features.mk for the supported flags
-EFM32_UART_MODES = 1
 EFM32_LEUART_ENABLED = 0
 
 include $(RIOTBASE)/Makefile.include

tests/cpu_efm32_features/main.c

@@ -26,21 +26,7 @@
 
 int main(void)
 {
-    /* test if uart_config[i].mode is set to a know value */
-    for (unsigned i = 0; i < UART_NUMOF; i++) {
-        printf("UART %u mode: ", i);
-
-        switch (uart_config[i].mode) {
-            case UART_MODE_8N1:
-                puts("8N1");
-                break;
-            case UART_MODE_8E1:
-                puts("8E1");
-                break;
-            default:
-                puts("unknown");
-        }
-    }
+    puts("Board booted, with some EFM32 features enabled or disabled.");
 
     return 0;
 }