chore!: remove hipchat importer (#32154)

.changeset/quiet-kings-rhyme.md

FEATURES.md

...er-hipchat-enterprise/server/HipChatEnterpriseImporter.js

apps/meteor/app/importer-hipchat-enterprise/server/index.ts

apps/meteor/package.json

apps/meteor/server/importPackages.ts

apps/meteor/server/models/raw/ImportData.ts

packages/i18n/src/locales/af.i18n.json

packages/i18n/src/locales/ar.i18n.json

packages/i18n/src/locales/az.i18n.json

packages/i18n/src/locales/be-BY.i18n.json

packages/i18n/src/locales/bg.i18n.json

packages/i18n/src/locales/bs.i18n.json

packages/i18n/src/locales/ca.i18n.json

packages/i18n/src/locales/cs.i18n.json

packages/i18n/src/locales/cy.i18n.json

packages/i18n/src/locales/da.i18n.json

packages/i18n/src/locales/de-AT.i18n.json

packages/i18n/src/locales/de-IN.i18n.json

packages/i18n/src/locales/de.i18n.json