ASRouter powered snippets was preffed on for all channels in bug 1518619. Bug 1540939 will be removing the old snippets code.
Bug 1408349 Comment 16 Edit History
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ASRouter powered snippets was preffed on for all channels in bug 1518619. Bug 1540939 will be removing the old snippets code. Additionally bug 1500061 is to tighten up CSP now that we don't inject snippets scripts.