x86: cougarcanyon2: Convert to text environment

Use the common include. The existing environment includes "vga" but that
is not valid anymore, so let it use vidconsole

Drop everything from the config.h file.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> # Intel Edison
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/board/intel/cougarcanyon2/cougarcanyon2.env b/board/intel/cougarcanyon2/cougarcanyon2.env
new file mode 100644
index 0000000..6329b0f
--- /dev/null
+++ b/board/intel/cougarcanyon2/cougarcanyon2.env
@@ -0,0 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
+ */
+
+#include <env/x86.env>
diff --git a/include/configs/cougarcanyon2.h b/include/configs/cougarcanyon2.h
index 31639e4..0406786 100644
--- a/include/configs/cougarcanyon2.h
+++ b/include/configs/cougarcanyon2.h
@@ -2,16 +2,3 @@
 /*
  * Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
  */
-
-#ifndef __CONFIG_H
-#define __CONFIG_H
-
-#include <configs/x86-common.h>
-
-#define CFG_STD_DEVICES_SETTINGS	"stdin=serial,i8042-kbd,usbkbd\0" \
-					"stdout=serial,vga\0" \
-					"stderr=serial,vga\0"
-
-/* Environment configuration */
-
-#endif	/* __CONFIG_H */