Remove unused api problem filter. Change-Id: I59619d2a310eb4dd5c7c14204106de577709b7a8 Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.resources/+/189874 Tested-by: Platform Bot <platform-bot@eclipse.org> Reviewed-by: Alexander Kurtakov <akurtako@redhat.com>