Oracle 7 pkginfo using LaunchDaemon/Agent unload and symlink removal

Java7_Oracle_u13.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>autoremove</key>
	<false/>
	<key>catalogs</key>
	<array>
		<string>testing</string>
		<string>production</string>
	</array>
	<key>description</key>
	<string></string>
	<key>display_name</key>
	<string>Java 7 Update 13</string>
	<key>installed_size</key>
	<integer>146500</integer>
	<key>installer_item_hash</key>
	<string>6ece987357dae56678dbef94ff99c278dbe06267f234a05181b4adf106474aa3</string>
	<key>installer_item_location</key>
	<string>support/Java/jre-7u13-macosx-x64.dmg</string>
	<key>installer_item_size</key>
	<integer>51527</integer>
	<key>installs</key>
	<array>
		<dict>
			<key>md5checksum</key>
			<string>70741381f2a25088d19676c22bc05495</string>
			<key>path</key>
			<string>/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/lib/libnpjp2.dylib</string>
			<key>type</key>
			<string>file</string>
		</dict>
	</array>
	<key>minimum_os_version</key>
	<string>10.7.3</string>
	<key>name</key>
	<string>Java7_Oracle</string>
	<key>postinstall_script</key>
	<string>#!/bin/sh

/bin/launchctl unload /Library/LaunchDaemons/com.oracle.java.Helper-Tool.plist
/bin/launchctl unload /Library/LaunchAgents/com.oracle.java.Java-Updater.plist

/bin/rm -f /Library/LaunchDaemons/com.oracle.java.Helper-Tool.plist
/bin/rm -f /Library/LaunchAgents/com.oracle.java.Java-Updater.plist
</string>
	<key>receipts</key>
	<array>
		<dict>
			<key>installed_size</key>
			<integer>146500</integer>
			<key>packageid</key>
			<string>com.oracle.jre</string>
			<key>version</key>
			<string>1.0</string>
		</dict>
	</array>
	<key>unattended_install</key>
	<true/>
	<key>uninstall_method</key>
	<string>removepackages</string>
	<key>uninstallable</key>
	<true/>
	<key>version</key>
	<string>1.7.13.20</string>
</dict>
</plist>