[tor-bugs] #32028 [Applications/Tor Browser]: remove obsolete media.audio_data.enabled

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#32028: remove obsolete media.audio_data.enabled
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 Reporter:  Thorin                    |          Owner:  tbb-team
     Type:  task                      |         Status:  new
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  ff-68esr                  |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by Thorin):

 Additionally, remove (or update the value in hardwareConcurrency)) for
 redundant prefs due to RFP (or keep them as defense in depth if someone
 disabled RFP). The RFP patches for these override the pref values - all
 tested in alpha 9.0a.7

 - `dom.maxHardwareConcurrency` (or at least set as value `2` to match RFP)
    * https://bugzilla.mozilla.org/show_bug.cgi?id=1360039
 - `ui.use_standins_for_native_colors`
    * https://bugzilla.mozilla.org/show_bug.cgi?id=1485266
 - `browser.zoom.siteSpecific`
    * https://bugzilla.mozilla.org/show_bug.cgi?id=1369357

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/32028#comment:1>
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