* Remove all mentions of Piwik
* Kill off all consumer of the old Piwik Analytics module
* Simplify ModalManager interface
* i18n
* Attempt to fix old e2e tests
* Remove unused component
* Iterate PR
* Remove deprecated feature_communities_v2_prototypes
* Update _components
* i18n
* delint
* Cut out a bit more dead code
* Carve into legacy components
* Carve into mostly the room list code
* Carve into instances of "groupId"
* Carve out more of what comes up with "groups"
* Carve out some settings
* ignore related groups state
* Remove instances of spacesEnabled
* Fix some obvious issues
* Remove now-unused css
* Fix variable naming for legacy components
* Update i18n
* Misc cleanup from manual review
* Update snapshot for changed flag
* Appease linters
* rethemedex
* Remove now-unused AddressPickerDialog
* Make ConfirmUserActionDialog's member a required prop
* Remove useless override from RightPanelStore
* Remove extraneous CSS
* Update i18n
* Demo: "Communities are now Spaces" landing page
* Restore linkify for group IDs
* Demo: Dialog on click for communities->spaces notice
* i18n for demos
* i18n post-merge
* Update copy
* Appease the linter
* Post-merge cleanup
* Re-add spaces_learn_more_url to the new SdkConfig place
* Round 1 of post-merge fixes
* i18n
Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>
