Feat/remove old qall

[mathsuky]

古いqall関連のコードとrtc周りのコードを削除
ただし，画面要素についてはデザインが確定していないのもあって，使用するかどうか定かでないものはそのまま残してある。

[github-actions]

Preview (prod) → https://4472-prod.traq-preview.trapti.tech/
Preview (dev) → https://4472-dev.traq-preview.trapti.tech/

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 59 lines in your changes missing coverage. Please review.

Project coverage is 9.19%. Comparing base (bb475ba) to head (ee229d2).
Report is 7 commits behind head on feat/qall_remake.

Files with missing lines	Patch %	Lines
...avigationContent/QallController/QallController.vue	0.00%	12 Missing ⚠️
...annelView/ChannelHeader/ChannelHeaderToolsList.vue	0.00%	10 Missing ⚠️
...annelView/ChannelHeader/ChannelHeaderToolsMenu.vue	0.00%	10 Missing ⚠️
...n/NavigationBar/ChannelList/ChannelElementName.vue	0.00%	6 Missing ⚠️
...igationContent/QallController/QallDetailsPanel.vue	0.00%	6 Missing ⚠️
src/store/app/rtcSettings.ts	0.00%	4 Missing ⚠️
...annelView/ChannelSidebar/ChannelSidebarContent.vue	0.00%	3 Missing ⚠️
...s/Main/NavigationBar/NavigationContent/HomeTab.vue	0.00%	3 Missing ⚠️
...ionContent/QallController/QallDetailsPanelUser.vue	0.00%	2 Missing ⚠️
src/App.vue	0.00%	1 Missing ⚠️
... and 2 more

Additional details and impacted files

@@                 Coverage Diff                 @@
##           feat/qall_remake   #4472      +/-   ##
===================================================
+ Coverage              8.89%   9.19%   +0.29%     
===================================================
  Files                   664     659       -5     
  Lines                 29158   28227     -931     
  Branches                521     521              
===================================================
  Hits                   2595    2595              
+ Misses                26557   25626     -931     
  Partials                  6       6              

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