rexster: delete (#19102)

Formula/rexster.rb

@@ -1,22 +0,0 @@
-class Rexster < Formula
-  desc "Graph server exposing Blueprints graph via REST"
-  homepage "http://rexster.tinkerpop.com/"
-  url "http://tinkerpop.com/downloads/rexster/rexster-server-2.6.0.zip"
-  sha256 "e0cfeb9d8dc6be6f472a17eee06618cb1a41f6a981c15c465786a23bbdb2b149"
-
-  bottle :unneeded
-
-  depends_on :java
-
-  def install
-    rm_rf Dir["bin/*.bat"]
-    libexec.install Dir["*"]
-
-    inreplace "#{libexec}/bin/rexster.sh", "exec $JAVA", "cd #{libexec}\nexec $JAVA"
-    (bin/"rexster.sh").write_env_script libexec/"bin/rexster.sh", Language::Java.java_home_env
-  end
-
-  test do
-    assert_match(/Rexster version \[#{version}\]/, pipe_output("#{bin}/rexster.sh -v"))
-  end
-end