ant support missing from 2026.2.2

I have a project that is built using ANT.  I have just upgraded from 2025.2 to 2026.2.2 and the file kotlin-ant.jar has disappeared. I have the line:

<typedef resource="org/jetbrains/kotlin/ant/antlib.xml" classpath="c:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2026.2.2\plugins\Kotlin\kotlinc/lib/kotlin-ant.jar"/>
in my build.xml file.  Is this still needed?
If so where is the jar file?

Commenting it out gives me an error:

BUILD FAILED
D:\F\xxxxxxxxxxxxx\src\build.xml:420: The following error occurred while executing this line:
D:\F\xxxxxxxxxxxxx\src\build.xml:139: The following error occurred while executing this line:
D:\F\xxxxxxxxxxxxx\src\build.xml:239: The following error occurred while executing this line:
D:\F\xxxxxxxxxxxxx\src\build.xml:254: Problem: failed to create task or type kotlinc