fix(nav): '소모품 구매 관리' 메뉴 항목 제거 — 하단 네비 '소모품 신청'으로 통일

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

system1-factory/web/static/js/tkfb-core.js

@@ -134,7 +134,6 @@ const NAV_MENU = [
     ]},
     { cat: '소모품 관리', items: [
         { href: '/pages/purchase/request-mobile.html', icon: 'fa-shopping-cart', label: '소모품 신청', key: 'purchase.request_mobile' },
-        { href: '/pages/purchase/request.html', icon: 'fa-clipboard-list', label: '소모품 구매 관리', key: 'purchase.request', admin: true },
         { href: '/pages/admin/purchase-analysis.html', icon: 'fa-chart-line', label: '소모품 분석', key: 'purchase.analysis', admin: true },
     ]},
     { cat: '근태 관리', items: [