* removing deprecated stuff
* removing deprecations and marking others for deprecations
* removing some of the configs
* partially remove ExperimentalChannelOrganization
* fixing merge issues
* moving default permissions to defaultroles function
* removing experimentaltownsquare
* removing old tests and remove legacysidebar config
* fixing test
* removing log
* removing unused variables
* MM-36444: Fix for renamed functions.
* MM-36444: go mod tidy and go mod vendor.
* MM-36444: Vendored go modules.
* MM-36444: Removes UseExperimentalGossip config field from model.
* Fix vendors
* fixing test
Co-authored-by: Benjamin Cooke <benjamincooke@Benjamins-MacBook-Pro.local>
Co-authored-by: Mattermod <mattermod@users.noreply.github.com>
Co-authored-by: Martin Kraft <martin@upspin.org>
Co-authored-by: Claudio Costa <cstcld91@gmail.com>
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