Remove CPython 2.7.13rc1

plugins/python-build/share/python-build/2.7.13rc1

@@ -1,8 +0,0 @@
-#require_gcc
-install_package "openssl-1.0.2g" "https://www.openssl.org/source/openssl-1.0.2g.tar.gz#b784b1b3907ce39abf4098702dade6365522a253ad1552e267a9a0e89594aa33" mac_openssl --if has_broken_mac_openssl
-install_package "readline-6.3" "https://ftpmirror.gnu.org/readline/readline-6.3.tar.gz#56ba6071b9462f980c5a72ab0023893b65ba6debb4eeb475d7a563dc65cafd43" standard --if has_broken_mac_readline
-if has_tar_xz_support; then
-  install_package "Python-2.7.13rc1" "https://www.python.org/ftp/python/2.7.13/Python-2.7.13rc1.tar.xz#dab087908db4c3852ffbbd8ad68d0ca0388b1f1287be069781f0c1f7da633370" ldflags_dirs standard verify_py27 ensurepip
-else
-  install_package "Python-2.7.13rc1" "https://www.python.org/ftp/python/2.7.13/Python-2.7.13rc1.tgz#c94534146fd7fc8390ba2016ef218ec6e04ecbe66e28efc980057b597cba4c01" ldflags_dirs standard verify_py27 ensurepip
-fi