removed references to CONTRIBUTING and security policy link
removed references to CONTRIBUTING and security policy link
Marx86/xserver,EDUlib/xserver,edx/xserver,Marx86/xserver,EDUlib/xserver,EDUlib/xserver,EDUlib/xserver,Marx86/xserver,edx/xserver,edx/xserver,edx/xserver,edx/xserver,EDUlib/xserver,Marx86/xserver,Marx86/xserver