freetype: remove cygwin part, use same part as linux

component/freetype/buildout.cfg

@@ -22,13 +22,3 @@ environment =
   CPPFLAGS=-I${bzip2:location}/include -I${zlib:location}/include
   LDFLAGS=-L${bzip2:location}/lib -Wl,-rpath=${bzip2:location}/lib -L${zlib:location}/lib -Wl,-rpath=${zlib:location}/lib
   PATH=${libpng:location}/bin:%(PATH)s
-
-[freetype:cygwin]
-url = ftp://lug.mtu.edu/cygwin/release/X11/freetype2/freetype2-2.4.12-1-src.tar.bz2
-md5sum = 9fabeee8347eff093966543331e066aa
-configure-command = cygport
-configure-options =
-  freetype.cygport
-  prep
-  compile
-make-options = -C fretype2-2.4.12-1/build