Remove justniffer

Closes Homebrew/homebrew#27021.

Formula/justniffer.rb

@@ -1,62 +0,0 @@
-require 'formula'
-
-class Justniffer < Formula
-  homepage 'http://justniffer.sourceforge.net/'
-  url 'https://downloads.sourceforge.net/project/justniffer/justniffer/justniffer%200.5.11/justniffer_0.5.11.tar.gz'
-  sha1 '3f3222361794a6f79f47567753550995c318a037'
-
-  depends_on "boost"
-
-  fails_with :clang do
-    cause "Missing ext/stdio_filebuf.h; this is a GCC-specific header"
-  end
-
-  # Patch lib/libnids-1.21_patched/configure.gnu so that CFLAGS and/or
-  # CXXFLAGS with multiple words doesn't cause an error -- e.g.:
-  #
-  # === configuring in lib/libnids-1.21_patched
-  # (/private/tmp/homebrew-justniffer-0.5.11-yNmj/justniffer-0.5.11/lib/libnids-1.21_patched)
-  # configure: running /bin/sh ./configure.gnu --disable-option-checking
-  # '--prefix=/usr/local/Cellar/justniffer/0.5.11'  'CXX=/usr/bin/llvm-g++'
-  # 'CXXFLAGS=-O3 -w -pipe -march=core2 -msse4' 'CC=/usr/bin/llvm-gcc'
-  # 'CFLAGS=-O3 -w -pipe -march=core2 -msse4' --cache-file=/dev/null--srcdir=.
-  # configure: error: unrecognized option: `-w'
-  # Try `./configure --help' for more information
-  # configure: error: ./configure.gnu failed for lib/libnids-1.21_patched
-  #
-  # I submitted this patch to the upstream author, Oreste Notelli, on
-  # 2011-12-22, so this patch will probably not be necessary with future
-  # justniffer versions after 0.5.11.
-  patch :DATA
-
-  def install
-    system "./configure", "--prefix=#{prefix}"
-    system "make install"
-  end
-
-  test do
-    require 'open3'
-    Open3.popen3("#{bin}/justniffer", "--version") do |_, stdout, _|
-      assert_match /justniffer #{Regexp.escape(version)}/, stdout.read
-    end
-  end
-
-  def caveats; <<-EOS.undent
-    Sample invocation to get you started:
-      justniffer -i en1 -p "port 80"
-
-    "en1" is my wireless inteface; "en0" is Ethernet; see output of ifconfig
-    EOS
-  end
-end
-
-
-__END__
---- a/lib/libnids-1.21_patched/configure.gnu	2011-12-21 22:48:23.000000000 -0800
-+++ b/lib/libnids-1.21_patched/configure.gnu	2011-12-21 22:54:37.000000000 -0800
-@@ -1,3 +1,3 @@
- #!/bin/sh
-
--./configure --disable-libnet --disable-libglib $@
-\ No newline at end of file
-+./configure --disable-libnet --disable-libglib "$@"