Revert "Oilpan: Add more asserts to Heap::collectGarbage"

Source/platform/heap/Heap.cpp

Index: Source/platform/heap/Heap.cpp
diff --git a/Source/platform/heap/Heap.cpp b/Source/platform/heap/Heap.cpp
index f12a9ba73e03f3b9832b0905c7c82afe196fa0b7..89a7ffa5d3f73507760ac7c63b618f53a7a76407 100644
--- a/Source/platform/heap/Heap.cpp
+++ b/Source/platform/heap/Heap.cpp
@@ -2348,9 +2348,6 @@ void Heap::postGC(ThreadState::GCType gcType)
 
 void Heap::collectGarbage(ThreadState::StackState stackState, ThreadState::GCType gcType)
 {
-    ASSERT(!ThreadState::current()->isSweepingInProgress());
-    ASSERT(!ThreadState::current()->sweepForbidden());
-
     ThreadState* state = ThreadState::current();
     ThreadState::GCState originalGCState = state->gcState();
     state->setGCState(ThreadState::StoppingOtherThreads);
@@ -2432,9 +2429,6 @@ void Heap::collectGarbage(ThreadState::StackState stackState, ThreadState::GCTyp
 
 void Heap::collectGarbageForTerminatingThread(ThreadState* state)
 {
-    ASSERT(!ThreadState::current()->isSweepingInProgress());
-    ASSERT(!ThreadState::current()->sweepForbidden());
-
     // We explicitly do not enter a safepoint while doing thread specific
     // garbage collection since we don't want to allow a global GC at the
     // same time as a thread local GC.