Bug 1536699 - Part 5: Remove unnecessary safepoint for LLoadTypedArrayElementHole. r=jandem

`LLoadTypedArrayElementHole` used to need to a safepoint for a vm-call (bug 737783),
but this vm-call was later removed in bug 829896.

Differential Revision: https://phabricator.services.mozilla.com/D72643

js/src/jit/Lowering.cpp

@@ -3524,7 +3524,6 @@ void LIRGenerator::visitLoadTypedArrayElementHole(
       assignSnapshot(lir, Bailout_Overflow);
     }
     defineBox(lir, ins);
-    assignSafepoint(lir, ins);
   } else {
 #ifdef JS_CODEGEN_X86
     LDefinition tmp = LDefinition::BogusTemp();