- removal of all code to handle OpenGL 2. From this commit on the main build of GZDoom will be OpenGL 3.3 or higher.

# Conflicts:
#	src/gl/renderer/gl_renderer.cpp
#	src/gl/shaders/gl_shader.cpp
#	src/gl/system/gl_framebuffer.cpp
#	src/gl_load/gl_interface.cpp

src/gl/renderer/gl_renderbuffers.cpp

@@ -928,7 +928,7 @@ void FGLRenderBuffers::BindOutputFB()
 
 bool FGLRenderBuffers::IsEnabled()
 {
-	return BuffersActive && !gl.legacyMode && !FailedCreate;
+	return BuffersActive && !FailedCreate;
 }
 
 bool FGLRenderBuffers::FailedCreate = false;