Remove unused AllocationSpace paramenter from CollectGarbage.

src/heap-inl.h

Index: src/heap-inl.h
diff --git a/src/heap-inl.h b/src/heap-inl.h
index f28b82c732a71088b46dcb9e93f4e85c470ec78f..d42e1cfc1164f396fe0b782d93754ef8f3510e42 100644
--- a/src/heap-inl.h
+++ b/src/heap-inl.h
@@ -555,8 +555,7 @@ bool Heap::CollectGarbage(AllocationSpace space,
                           const v8::GCCallbackFlags callbackFlags) {
   const char* collector_reason = NULL;
   GarbageCollector collector = SelectGarbageCollector(space, &collector_reason);
-  return CollectGarbage(
-      space, collector, gc_reason, collector_reason, callbackFlags);
+  return CollectGarbage(collector, gc_reason, collector_reason, callbackFlags);
 }