- removed some obsolete and useless GL calls.

src/gl/scene/gl_scene.cpp

@@ -659,7 +659,6 @@ void FGLRenderer::EndDrawScene(sector_t * viewsector)
 	}
 
 	glDisable(GL_STENCIL_TEST);
-	glDisable(GL_POLYGON_SMOOTH);
 
 	framebuffer->Begin2D(false);
 

src/gl/system/gl_framebuffer.cpp

@@ -150,8 +150,6 @@ void OpenGLFrameBuffer::InitializeState()
 	glEnable(GL_TEXTURE_2D);
 	glDisable(GL_LINE_SMOOTH);
 	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-	glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
-	glHint(GL_POLYGON_SMOOTH_HINT, GL_NICEST);
 
 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);