yangzhenyu 6801ce8ff6 Update the install guide about policy json file
Since the policy json file has been removed. So the
installation guide should also be updated.

Change-Id: Ibf158e402fa31702fadf70f27d5db5a5d6814e34
2018-01-15 16:48:39 +08:00
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2017-08-23 17:24:13 +08:00
2017-07-19 10:12:28 +08:00
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