Use JS::Trace over CallXTracer
CallXTracer functions were removed in https://bugzilla.mozilla.org/show_bug.cgi?id=1235598
Part of the SM52 migration, stage: SM45 compatible.
Patch by: Itms
Tested By: Freagarach
Refs #4893
Differential Revision: https://code.wildfiregames.com/D3092