Remove ncursesw; OS X provides curses.

Formula/ncursesw.rb

@@ -1,23 +0,0 @@
-require 'formula'
-
-class Ncursesw <Formula
-  url 'http://ftp.gnu.org/pub/gnu/ncurses/ncurses-5.7.tar.gz'
-  md5 'cce05daf61a64501ef6cd8da1f727ec6'
-  homepage 'http://www.gnu.org/software/ncurses/ncurses.html'
-
-  def install
-    fails_with_llvm
-    system "./configure", "--prefix=#{prefix}",
-                          "--mandir=#{man}",
-                          "--disable-debug",
-                          "--disable-dependency-tracking",
-                          "--enable-widec",
-                          "--disable-rpath",
-                          "--with-shared",
-                          "--without-ada",
-                          "--enable-safe-sprintf",
-                          "--enable-sigwinch",
-                          "--enable-ext-colors"
-    system "make install"
-  end
-end