glfw@2: remove

Aliases/glfw@3

@@ -1 +0,0 @@
-../Formula/glfw.rb

Formula/glfw@2.rb

@@ -1,40 +0,0 @@
-class GlfwAT2 < Formula
-  desc "Multi-platform library for OpenGL applications"
-  homepage "http://www.glfw.org/"
-  url "https://downloads.sourceforge.net/project/glfw/glfw/2.7.9/glfw-2.7.9.tar.bz2"
-  sha256 "d1f47e99e4962319f27f30d96571abcb04c1022c000de4d01df69ec59aae829d"
-
-  bottle do
-    cellar :any
-    sha256 "9260688ef4a884604999120fb68b77b4c00c74f91c30adffff30012ad097e01b" => :high_sierra
-    sha256 "2ff2da070cde54e70c7bfce95ab2bba75b5c096bcf6e77f7148921b3e7ea0341" => :sierra
-    sha256 "f31d46ba9f93f445f1d780d0523ef2c3499bda05dae1cd06c58da90c829ac8cd" => :el_capitan
-    sha256 "e4bc5f41b85d95c41b0582fdcfa538f4183b86cbdfe4399237b8f2580c01eb32" => :yosemite
-  end
-
-  keg_only :versioned_formula
-
-  def install
-    system "make", "PREFIX=#{prefix}", "cocoa-dist-install"
-    MachO::Tools.change_dylib_id("#{lib}/libglfw.dylib",
-                                 "@opt_lib/libglfw.dylib")
-  end
-
-  test do
-    (testpath/"test.c").write <<~EOS
-      #define GLFW_INCLUDE_GLU
-      #include <GL/glfw.h>
-      #include <stdlib.h>
-      int main()
-      {
-        if (!glfwInit())
-          exit(EXIT_FAILURE);
-        glfwTerminate();
-        return 0;
-      }
-    EOS
-
-    system ENV.cc, "test.c", "-o", "test", "-I#{include}", "-L#{lib}", "-lglfw"
-    system "./test"
-  end
-end