Remove bookability and competitor rates — moved to Rate Monitor app

Deletes bookability.py, competitor_rates.py, Bookability.tsx,
CompetitorRates.tsx. Removes their imports, router mounts, and nav items.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/App.tsx

@@ -4,8 +4,6 @@ import Layout from './components/Layout'
 import Dashboard from './pages/Dashboard'
 import Forecasts from './pages/Forecasts'
 import History from './pages/History'
-import Bookability from './pages/Bookability'
-import CompetitorRates from './pages/CompetitorRates'
 import Accuracy from './pages/Accuracy'
 import Settings from './pages/Settings'
 
@@ -20,8 +18,6 @@ export default function App() {
           <Route path="/forecasts/:page" element={<Forecasts />} />
           <Route path="/history" element={<History />} />
           <Route path="/history/:report" element={<History />} />
-          <Route path="/bookability" element={<Bookability />} />
-          <Route path="/competitor-rates" element={<CompetitorRates />} />
           <Route path="/accuracy" element={<Accuracy />} />
           <Route path="/accuracy/:tab" element={<Accuracy />} />
           <Route path="/settings" element={<Settings />} />

frontend/src/components/Layout.tsx

@@ -1,6 +1,6 @@
 import { NavLink } from 'react-router-dom'
 import {
-  TrendingUp, BarChart2, Calendar, Target, Globe, History,
+  TrendingUp, BarChart2, Target, History,
   Settings, Bot,
 } from 'lucide-react'
 import { useAuth } from './AuthGate'
@@ -13,8 +13,6 @@ const NAV = [
   { to: '/dashboard',         label: 'Dashboard',         icon: Bot,       cap: 'view' },
   { to: '/forecasts',         label: 'Forecasts',         icon: TrendingUp, cap: 'view' },
   { to: '/history',           label: 'History',           icon: History,   cap: 'view' },
-  { to: '/bookability',       label: 'Bookability',       icon: Calendar,  cap: 'view_bookability' },
-  { to: '/competitor-rates',  label: 'Competitors',       icon: Globe,     cap: 'view_competitor_rates' },
   { to: '/accuracy',          label: 'Accuracy',          icon: Target,    cap: 'view_accuracy' },
   { to: '/settings',          label: 'Settings',          icon: Settings,  cap: 'settings' },
 ]