Removed JMF from pure playback

1 job for master in 3 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
failed #2306
build

00:00:03

 
Name Stage Failure
failed
build Build There is an unknown failure, please try again
    [javac] error: invalid target release: 13
[javac] Usage: javac <options> <source files>
[javac] use --help for a list of possible options

BUILD FAILED
/home/gitlab-runner/builds/ca62c1d8/0/ttt/teleteaching-standalone/build.xml:58: Compile failed; see the compiler error output for details.

Total time: 0 seconds
ERROR: Job failed: exit status 1