Remove remnant of 'active' if-conditional

This commit removes that 'if (true)' and unindents everything in
drawgui() by one level.

desktop_version/src/Graphics.cpp

@@ -580,8 +580,6 @@ void Graphics::drawgui()
     {
         //This routine also updates the textboxs
         textbox[i].update();
-        if (true) //FIXME: remove this later (no more 'active')
-        {
         if (textbox[i].tm == 2 && textbox[i].tl <= 0.5)
         {
             textbox.erase(textbox.begin() + i);
@@ -721,7 +719,6 @@ void Graphics::drawgui()
             }
         }
     }
-    }
 }
 
 void Graphics::drawimagecol( int t, int xp, int yp, int r = 0, int g = 0, int b = 0, bool cent/*= false*/ )