Avoid printing GetById JIT comment twice

Summary:
We currently print this on entry to `getByIdImpl`, and then again before
emitting the slow path. This can make looking at the output pretty
confusing.

Reviewed By: dannysu

Differential Revision: D70270441

fbshipit-source-id: 9c7339367e3187f17166d0e7c48820765920d657

lib/VM/JIT/arm64/JitEmitter.cpp

@@ -3293,14 +3293,6 @@ void Emitter::getByIdImpl(
     hwRes = getOrAllocFRInAnyReg(frRes, false, HWReg::gpX(0));
   }
 
-  comment(
-      "// %s r%u, r%u, cache %u, symID %u",
-      name,
-      frRes.index(),
-      frSource.index(),
-      cacheIdx,
-      symID);
-
   a.mov(a64::x0, xRuntime);
   loadFrameAddr(a64::x1, frSource);
   a.mov(a64::w2, symID);