acer-wmi: Remove LED colour comment from documentation

This should have been removed when the colour was removed from the LED
device name.

Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
diff --git a/Documentation/laptops/acer-wmi.txt b/Documentation/laptops/acer-wmi.txt
index 79b7dbd..69b5dd4 100644
--- a/Documentation/laptops/acer-wmi.txt
+++ b/Documentation/laptops/acer-wmi.txt
@@ -174,8 +174,6 @@
 The mail LED is autodetected, so if you don't have one, the LED device won't
 be registered.
 
-If you have a mail LED that is not green, please report this to me.
-
 Backlight
 *********