Nothing from <config_features.h> is used here

The #include was introduced in
96c1ae1d with an #if on
HAVE_FEATURE_OPENGL, but that #if was later removed.

Change-Id: I70f839d5224e0a77a1640a5e23cbe64656c9cb1b

include/vcl/outdev.hxx

@@ -20,7 +20,6 @@
 #ifndef INCLUDED_VCL_OUTDEV_HXX
 #define INCLUDED_VCL_OUTDEV_HXX
 
-#include <config_features.h>
 #include <tools/gen.hxx>
 #include <tools/solar.h>
 #include <tools/rc.hxx>