Bug 1134923 - Remove NS_Alloc/NS_Realloc/NS_Free. r=nfroyd

They are kept around for the sake of the standalone glue, which is used
for e.g. webapprt, which doesn't have direct access to jemalloc, and thus
still needs a wrapper to go through the xpcom function list and get to
jemalloc from there.

dom/plugins/base/PluginPRLibrary.cpp

@@ -243,10 +243,10 @@ PluginPRLibrary::NPP_GetSitesWithData(InfallibleTArray<nsCString>& result)
   char** iterator = sites;
   while (*iterator) {
     result.AppendElement(*iterator);
-    NS_Free(*iterator);
+    free(*iterator);
     ++iterator;
   }
-  NS_Free(sites);
+  free(sites);
 
   return NS_OK;
 }