[packages] shadow: remove menu

git-svn-id: svn://svn.openwrt.org/openwrt/packages@36618 3c298f89-4303-0410-b956-a3cf2f4a3e73
[packages] postgresql: revert r36614

git-svn-id: svn://svn.openwrt.org/openwrt/packages@36619 3c298f89-4303-0410-b956-a3cf2f4a3e73