refactor(admin): drop status strip from dashboard; full-bleed usage tab

- admin home is tournament section + tools list only
- usage route matches sibling tabs (fullWidth, no shell padding); screen
  pads its own content so the tab bar stays flush

src/locales/en/messages.po

@@ -446,7 +446,7 @@ msgid "Add Team"
 msgstr "Add Team"
 
 #: src/app/routes/_authed/admin.tsx:15
-#: src/app/routes/_authed/admin/index.tsx:27
+#: src/app/routes/_authed/admin/index.tsx:14
 #: src/features/core/hooks/use-links.ts:37
 msgid "Admin"
 msgstr "Admin"
@@ -660,10 +660,6 @@ msgstr "Brutal"
 msgid "CA"
 msgstr "CA"
 
-#: src/features/admin/components/dashboard/status-strip.tsx:67
-msgid "Calls today"
-msgstr "Calls today"
-
 #: src/components/sheet/slide-panel/slide-panel.tsx:41
 #: src/components/sheet/slide-panel/slide-panel.tsx:190
 #: src/features/bracket/components/match-form.tsx:160
@@ -1879,14 +1875,6 @@ msgstr "Once enrolled, you can view other free agents and their phone number in
 msgid "One time code"
 msgstr "One time code"
 
-#: src/features/admin/components/dashboard/status-strip.tsx:56
-msgid "Online"
-msgstr "Online"
-
-#: src/features/admin/components/dashboard/status-strip.tsx:61
-msgid "Open errors"
-msgstr "Open errors"
-
 #: src/features/admin/components/dashboard/tools-list.tsx:95
 msgid "Open Pocketbase"
 msgstr "Open Pocketbase"