Remove jdk18 from support in 0.35 release notes

Signed-off-by: Peter Shipton <Peter_Shipton@ca.ibm.com>

doc/release-notes/0.35/0.35.md

@@ -28,7 +28,7 @@ These release notes support the [Eclipse OpenJ9 0.35.0 release plan](https://pro
 
 ## Supported environments
 
-OpenJ9 release 0.35.0 supports OpenJDK 8, 11, 17, 18.
+OpenJ9 release 0.35.0 supports OpenJDK 8, 11, 17.
 
 All releases are tested against the OpenJ9 functional verification (FV) test suite, the OpenJDK test suites, and additional tests provided by Adoptium.
 
@@ -137,10 +137,10 @@ on x64 platforms, but builds with OpenJDK 17 and later also require more stack s
 
 <tr>
 <td valign="top"><a href="https://github.com/eclipse-openj9/openj9/issues/14803">#14803</a></td>
-<td valign="top">Using the <tt>-XX:+ShowHiddenFrames</tt> option in an OpenJ9 release built with OpenJDK 18 causes errors due to underlying problems in OpenJDK</td>
+<td valign="top">Using the <tt>-XX:+ShowHiddenFrames</tt> option in an OpenJ9 release built with OpenJDK 18 and later causes errors due to underlying problems in OpenJDK</td>
 <td valign="top">All platforms</td>
 <td valign="top">Wrong exception may be thrown when using the Reflection API.</td>
-<td valign="top">Avoid using the <tt>-XX:+ShowHiddenFrames</tt> option with OpenJDK 18</td>
+<td valign="top">Avoid using the <tt>-XX:+ShowHiddenFrames</tt> option with OpenJDK 18 and later.</td>
 </tr>
 
 </tbody>