Docs - removing some stray Beta references
<topic id="limits">
<title>Known Issues and Limitations</title>
<body>
- <p>The Greenplum Database 6 Beta foreign-data wrapper implementation has
+ <p>The Greenplum Database 6 foreign-data wrapper implementation has
the following known issues and limitations:</p>
<ul>
- <li>The Greenplum Database 6 Beta distribution does not install any
+ <li>The Greenplum Database 6 distribution does not install any
foreign data wrappers.</li>
<li>Greenplum Database uses the <codeph>mpp_execute</codeph> option value
for foreign table scans only. Greenplum does not honor the
