Fix notes about RTEMS TFTP chdir restrictions.

KnownProblems.html

@@ -17,20 +17,5 @@
 occur on pentium vxWorks iocs. See ansiTime in the vxWorks reference manual
 for details about TIMEZONE. </p>
 
-<h2>RTEMS appDevGuide Documentation</h2>
-
-<p>In the Application Developer's Guide the example for the RTEMS TFTP
-filesystem chdir command isn't quite right.  The note says that all pathnames
-passed to chdir must end in a / character, but the example doesn't show this.
- The example should be changed as shown below. </p>
-<hr />
-
-<p>The RTEMS TFTP remote filesystem driver now supports a limited form of the
-chdir() system call. One restriction is that all pathnames passed to chdir()
-must end in a / character, so IOC shell commands to change directories must
-be given as </p>
-
-<p><code>cd ../db/ </code></p>
-
 </body>
 </html>