Disabling the framebuffer blit of output rendering

Blit of framebuffer is incompatible with the new features of Display View to adjust whitebalance and geometry of rendered frame on output windows.

src/Settings.h

@@ -157,7 +157,6 @@ struct TransitionConfig
 struct RenderConfig
 {
     bool disabled;
-    bool blit;
     int vsync;
     int multisampling;
     int ratio;
@@ -169,7 +168,6 @@ struct RenderConfig
 
     RenderConfig() {
         disabled = false;
-        blit = false;
         vsync = 1;
         multisampling = 2;
         ratio = 3;