O3: Remove some asserts that no longer seem to be valid.

src/cpu/o3/decode_impl.hh

@@ -447,10 +447,6 @@ void
 DefaultDecode<Impl>::sortInsts()
 {
     int insts_from_fetch = fromFetch->size;
-#ifdef DEBUG
-    for (ThreadID tid = 0; tid < numThreads; tid++)
-        assert(insts[tid].empty());
-#endif
     for (int i = 0; i < insts_from_fetch; ++i) {
         insts[fromFetch->insts[i]->threadNumber].push(fromFetch->insts[i]);
     }

src/cpu/o3/rename_impl.hh

@@ -767,10 +767,6 @@ void
 DefaultRename<Impl>::sortInsts()
 {
     int insts_from_decode = fromDecode->size;
-#ifdef DEBUG
-    for (ThreadID tid = 0; tid < numThreads; tid++)
-        assert(insts[tid].empty());
-#endif
     for (int i = 0; i < insts_from_decode; ++i) {
         DynInstPtr inst = fromDecode->insts[i];
         insts[inst->threadNumber].push_back(inst);