Revert "curaengine: migrate to Cask"

Closes #7765.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Formula/curaengine.rb

@@ -0,0 +1,37 @@
+class Curaengine < Formula
+  desc "C++ 3D printing GCode generator"
+  homepage "https://github.com/Ultimaker/CuraEngine"
+  url "https://github.com/Ultimaker/CuraEngine/archive/15.04.tar.gz"
+  sha256 "d577e409b3e9554e7d2b886227dbbac6c9525efe34df4fc7d62e9474a2d7f965"
+
+  head "https://github.com/Ultimaker/CuraEngine.git"
+
+  bottle do
+    cellar :any_skip_relocation
+    sha256 "3ff512abcab846bd63db5a6bfb11b544c416284b46d978cd7db854879e5421d9" => :el_capitan
+    sha256 "eef2771a72371fd9d541d83cf5ba92c88f1ab614017e03860f59bfacaa5eb948" => :yosemite
+    sha256 "4cfea42552a3acb1ec939d882ef38bfd766a15f0f462f595e6da5f6d851a0437" => :mavericks
+    sha256 "6ada916641459b6d059985c82d61a197a92bf724e7d5770a0bbcf60b6d6361a3" => :mountain_lion
+  end
+
+  def install
+    system "make", "VERSION=#{version}"
+    bin.install "build/CuraEngine"
+  end
+
+  test do
+    (testpath/"t.stl").write <<-EOF.undent
+      solid t
+        facet normal 0 -1 0
+         outer loop
+          vertex 0.83404 0 0.694596
+          vertex 0.36904 0 1.5
+          vertex 1.78814e-006 0 0.75
+         endloop
+        endfacet
+      endsolid Star
+    EOF
+
+    system "#{bin}/CuraEngine", "#{testpath}/t.stl"
+  end
+end

tap_migrations.json

@@ -46,7 +46,6 @@
   "comparepdf": "homebrew/boneyard",
   "cowpatty": "homebrew/boneyard",
   "csync": "homebrew/boneyard",
-  "curaengine": "caskroom/cask",
   "curlftpfs": "homebrew/x11",
   "cuty_capt": "homebrew/boneyard",
   "cvc4": "homebrew/boneyard",