Remove unnecessary assert. (#7889)

Remvoe the unneccessary assert that might cause a bug.

fix #6856

Author: mazong1123

src/vm/commodule.cpp

@@ -768,8 +768,7 @@ mdString QCALLTYPE COMModule::GetStringConstant(QCall::ModuleHandle pModule, LPC
     _ASSERTE(pwzValue != NULL);
 
     HRESULT hr = pRCW->GetEmitter()->DefineUserString(pwzValue, iLength, &strRef);
-    if (FAILED(hr)) {   
-        _ASSERTE(hr == E_OUTOFMEMORY || !"Unknown failure in DefineUserString");    
+    if (FAILED(hr)) { 
         COMPlusThrowHR(hr);    
     }