Cleanup fallback codepaths for older Ember versions#1298

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rwjblue wants to merge 5 commits intomasterfrom

older-ember-cleanup

Commits on Dec 16, 2022

Remove supporting code for Ember < 4
Robert Jackson
committed
Remove guards for supporting older Ember versions
Robert Jackson
committed
Move `@glimmer/manager` usage back to `importSync`
Robert Jackson
committed
Fix a missing TS update for deprecation cleanup
chriskrycho
committed

Commits on Dec 19, 2022

Merge remote-tracking branch 'origin/master' into older-ember-cleanup
chriskrycho
committed