chore!: remove hipchat importer

[pierre-lehnen-rc]

Proposed changes (including videos or screenshots)

It's been half a decade since hipchat was discontinued. It's time.

[dionisio-bot]

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[changeset-bot]

🦋 Changeset detected

Latest commit: 503060c

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 32 packages

Name	Type
@rocket.chat/meteor	Major
@rocket.chat/core-typings	Major
@rocket.chat/rest-typings	Major
@rocket.chat/apps	Patch
@rocket.chat/core-services	Patch
@rocket.chat/cron	Patch
@rocket.chat/gazzodown	Major
@rocket.chat/livechat	Patch
@rocket.chat/model-typings	Patch
@rocket.chat/ui-contexts	Major
@rocket.chat/account-service	Patch
@rocket.chat/authorization-service	Patch
@rocket.chat/ddp-streamer	Patch
@rocket.chat/omnichannel-transcript	Patch
@rocket.chat/presence-service	Patch
@rocket.chat/queue-worker	Patch
@rocket.chat/stream-hub-service	Patch
@rocket.chat/api-client	Patch
@rocket.chat/license	Patch
@rocket.chat/omnichannel-services	Patch
@rocket.chat/pdf-worker	Patch
@rocket.chat/presence	Patch
rocketchat-services	Patch
@rocket.chat/ddp-client	Patch
@rocket.chat/fuselage-ui-kit	Major
@rocket.chat/models	Patch
@rocket.chat/ui-avatar	Major
@rocket.chat/ui-client	Major
@rocket.chat/ui-video-conf	Major
@rocket.chat/uikit-playground	Patch
@rocket.chat/web-ui-registration	Major
@rocket.chat/instance-status	Patch

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 53.81%. Comparing base (3dd2183) to head (503060c).

Additional details and impacted files

@@                Coverage Diff                @@
##           release-7.0.0   #32154      +/-   ##
=================================================
- Coverage          54.84%   53.81%   -1.03%     
=================================================
  Files               2306     2231      -75     
  Lines              50912    49839    -1073     
  Branches           10417    10212     -205     
=================================================
- Hits               27922    26822    -1100     
- Misses             20481    20600     +119     
+ Partials            2509     2417      -92     

Flag	Coverage Δ
e2e	51.84% <ø> (-1.97%)	⬇️
unit	75.43% <ø> (ø)

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