always check cache for source-map information.
always check cache for source-map information.

Even if the `--cache` flag is not set.
If the report has a `contentHash` property set, then we know caching was enabled when they generated it.

Users shouldn't have to specify `--cache` when running the report command anyways, especially since it's possible for us to auto-detect this.

schutm/nyc,bcoe/nyc,lloydcotten/nyc,istanbuljs/nyc,novemberborn/nyc,Lalem001/nyc,isaacs/nyc