Changes

trace-server: Remove unnecessary lttng.kernel.core dependency

The org.eclipse.tracecompass.incubator.trace.server.jersey.rest.core
plug-in should be independent to Trace Compass framework extensions,
like e.g. LTTng Kernel/UST

Change-Id: Ic6dcf319c92b0834f43175707c3072e2a3e3b96e
Signed-off-by: Bernd Hufmann <Bernd.Hufmann@ericsson.com>
Reviewed-on: https://git.eclipse.org/r/c/tracecompass.incubator/org.eclipse.tracecompass.incubator/+/166165
Tested-by: Trace Compass Bot <tracecompass-bot@eclipse.org>
Tested-by: Patrick Tasse <patrick.tasse@gmail.com>
Reviewed-by: Patrick Tasse <patrick.tasse@gmail.com>