remove shadow offset

kdecoration/breezedecoration.cpp

@@ -650,7 +650,7 @@ namespace Breeze
             }
 
             // offset
-            int shadowOffset = (g_shadowSizeEnum == InternalSettings::ShadowNone) ? 0 : qMax( 6*shadowSize/16, Metrics::Shadow_Overlap*2 );
+            const int shadowOffset = 0; //qMax( 6*g_shadowSize/16, Metrics::Shadow_Overlap*2 );
 
             // create image
             QImage image(2*shadowSize, 2*shadowSize, QImage::Format_ARGB32_Premultiplied);