Removed extra call to glClear (#141)

Author: kastrbl4nik

Source/Renderer/RenderMaster.cpp

@@ -39,7 +39,6 @@ void RenderMaster::finishRender(sf::Window &window, const Camera &camera)
     glClearColor(0.0, 0.0, 0.0, 1.0);
     glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
 
-    glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
     glEnable(GL_DEPTH_TEST);
     glEnable(GL_CULL_FACE);
     m_chunkRenderer.render(camera);