Remove assertion

Author: pron

src/hotspot/share/oops/stackChunkOop.cpp

@@ -310,13 +310,6 @@ class TransformStackChunkClosure {
     DerivedPointersSupport::RelativizeClosure derived_cl;
     f.iterate_derived_pointers(&derived_cl, map);
 
-    // This code is called from the STW collectors and don't have concurrent
-    // access to the derived pointers. Therefore there's no need to add a
-    // storestore barrier here. Alternatively, we're called from freeze, when
-    // allocating in old.
-    assert(Thread::current()->is_Java_thread() || SafepointSynchronize::is_at_safepoint(),
-      "Should only be used by STW collectors");
-
     CompressOopsAndBuildBitmapOopClosure<kind> cl(_chunk);
     f.iterate_oops(&cl, map);