kernel/vm: Drop an obsolete commented-out line from VMAddressSpace.

The lock names are set properly by VMAddressSpace subclasses.

src/system/kernel/vm/VMAddressSpace.cpp

@@ -98,7 +98,6 @@ VMAddressSpace::VMAddressSpace(team_id id, addr_t base, size_t size,
 	fDeleting(false)
 {
 	rw_lock_init(&fLock, name);
-//	rw_lock_init(&fLock, kernel ? "kernel address space" : "address space");
 }