Remove unnecessary functionality

FDP Internal Dashboards removed (keep Subnav component only):
- CMRBRoomBookings.stories.tsx - CMRB room booking demo
- IPRDashboard.stories.tsx + overview.mdx - IPR dashboard examples
- IPRDataModels.mdx - IPR data model documentation
- NationalHomepage.stories.tsx - National homepage demo
- PODDashboard*.tsx - POD dashboard examples and synthetic data

Development/migration scripts removed (22 scripts):
- analyze-*.ts - SSR and SPC analysis tools
- audit-test-migration.ts - test migration tracking
- convert-tests-*.js - React 19 test migration helpers
- fix-*.js/ts - one-time syntax/test fixes
- prune-stories.ts, repair-pruned-stories.ts - storybook maintenance
- distribute/rebase/rolling-roadmap-*.cjs - roadmap tools
- transform-roadmap-content.* - content transformation
- spc-subtree-sync.sh - SPC sync script
- inventory-design-system.ts - design system inventory
- ssr-autofix.ts - SSR auto-remediation
- test-gradient-sequence.ts, tmp-check-spc.ts - temporary test scripts

Updated package.json to remove corresponding npm scripts.

Author: fergusbisset

package.json

@@ -564,9 +564,6 @@
     "typecheck": "tsc --noEmit -p tsconfig.build.json",
     "build:fast": "npm run build:tokens:smart && vite build --config config/vite.multi.config.ts --emptyOutDir=false",
     "clean:dist": "rimraf dist && mkdir dist",
-    "analyze:ssr": "npx tsx scripts/analyze-ssr.ts",
-    "analyze:ssr:verbose": "npx tsx scripts/analyze-ssr.ts ./src/components ./ssr-analysis-report",
-    "fix:ssr:quickwins": "npx tsx scripts/ssr-autofix.ts",
     "test:ssr": "vitest run tests/ssr-analysis/",
     "examples:build": "npm run build:parity",
     "examples:generate:html": "tsx scripts/generate-static-html-examples.ts",
@@ -582,10 +579,6 @@
     "examples:express:start": "npm run examples:build && node examples/express-njk/server.mjs",
     "examples:express:serve": "node examples/express-njk/server.mjs",
     "test:runtime": "npm run examples:build && npm run examples:generate:html && DS_FORCE_RESPAWN=1 DS_KILL_STALE=1 DS_RUNTIME_FAST=1 DS_NEXT_DEV=1 DS_RUNTIME_DEBUG=1 DS_SERVER_START_TIMEOUT=25000 playwright test tests/runtime --workers=1",
-    "stories:prune": "tsx scripts/prune-stories.ts",
-    "stories:prune:dry": "tsx scripts/prune-stories.ts --dry-run",
-    "stories:repair": "tsx scripts/repair-pruned-stories.ts",
-    "docs:fix-mdx": "tsx scripts/fix-autodocs-mdx.ts",
     "preversion": "npm run check:tokens && npm run lint && npm run test:ssr-components && npm test && npm run build:parity",
     "preversion:smoke": "npm run check:tokens && npm run lint && npm run test:ssr-components && npm run test:smoke && npm run build:parity",
     "version": "git add .",
@@ -599,8 +592,7 @@
     "release:major": "npm version major -m 'chore(release): %s'",
     "release:prerelease": "npm version prerelease --preid=alpha -m 'chore(release): %s'",
     "release:prerelease:beta": "npm version prerelease --preid=beta -m 'chore(release): %s'",
-    "check:tokens": "node scripts/check-token-collisions.cjs",
-    "inventory": "tsx scripts/inventory-design-system.ts --md inventory.md --json inventory.json"
+    "check:tokens": "node scripts/check-token-collisions.cjs"
   },
   "keywords": [],
   "author": "Fergus Bisset",